Fläche
About points...
We associate a certain number of points with each exercise.
When you click an exercise into a collection, this number will be taken as points for the exercise, kind of "by default".
But once the exercise is on the collection, you can edit the number of points for the exercise in the collection independently, without any effect on "points by default" as represented by the number here.
That being said... How many "default points" should you associate with an exercise upon creation?
As with difficulty, there is no straight forward and generally accepted way.
But as a guideline, we tend to give as many points by default as there are mathematical steps to do in the exercise.
Again, very vague... But the number should kind of represent the "work" required.
When you click an exercise into a collection, this number will be taken as points for the exercise, kind of "by default".
But once the exercise is on the collection, you can edit the number of points for the exercise in the collection independently, without any effect on "points by default" as represented by the number here.
That being said... How many "default points" should you associate with an exercise upon creation?
As with difficulty, there is no straight forward and generally accepted way.
But as a guideline, we tend to give as many points by default as there are mathematical steps to do in the exercise.
Again, very vague... But the number should kind of represent the "work" required.
About difficulty...
We associate a certain difficulty with each exercise.
When you click an exercise into a collection, this number will be taken as difficulty for the exercise, kind of "by default".
But once the exercise is on the collection, you can edit its difficulty in the collection independently, without any effect on the "difficulty by default" here.
Why we use chess pieces? Well... we like chess, we like playing around with \(\LaTeX\)-fonts, we wanted symbols that need less space than six stars in a table-column... But in your layouts, you are of course free to indicate the difficulty of the exercise the way you want.
That being said... How "difficult" is an exercise? It depends on many factors, like what was being taught etc.
In physics exercises, we try to follow this pattern:
Level 1 - One formula (one you would find in a reference book) is enough to solve the exercise. Example exercise
Level 2 - Two formulas are needed, it's possible to compute an "in-between" solution, i.e. no algebraic equation needed. Example exercise
Level 3 - "Chain-computations" like on level 2, but 3+ calculations. Still, no equations, i.e. you are not forced to solve it in an algebraic manner. Example exercise
Level 4 - Exercise needs to be solved by algebraic equations, not possible to calculate numerical "in-between" results. Example exercise
Level 5 -
Level 6 -
When you click an exercise into a collection, this number will be taken as difficulty for the exercise, kind of "by default".
But once the exercise is on the collection, you can edit its difficulty in the collection independently, without any effect on the "difficulty by default" here.
Why we use chess pieces? Well... we like chess, we like playing around with \(\LaTeX\)-fonts, we wanted symbols that need less space than six stars in a table-column... But in your layouts, you are of course free to indicate the difficulty of the exercise the way you want.
That being said... How "difficult" is an exercise? It depends on many factors, like what was being taught etc.
In physics exercises, we try to follow this pattern:
Level 1 - One formula (one you would find in a reference book) is enough to solve the exercise. Example exercise
Level 2 - Two formulas are needed, it's possible to compute an "in-between" solution, i.e. no algebraic equation needed. Example exercise
Level 3 - "Chain-computations" like on level 2, but 3+ calculations. Still, no equations, i.e. you are not forced to solve it in an algebraic manner. Example exercise
Level 4 - Exercise needs to be solved by algebraic equations, not possible to calculate numerical "in-between" results. Example exercise
Level 5 -
Level 6 -
Question
Solution
Short
Video
\(\LaTeX\)
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Exercise:
Welchen Inhalt hat die hervorgehobene Fläche? center tikzpicturescale. coordinatelabelleft:A A at ; coordinatelabelabove:C C at RValuerValue; coordinatelabelbelow:B B at RValurValue; coordinatelabelright:M M at RValue; coordinatelabelabove:D D at RValuxValuerValue; drawthick A--B--M--C--D; drawthick B arc::rValue; drawthick A arc:-epsilonValue:RValue; fillorange! A arc:-epsilonValue:RValue -- C --M -- A; fillwhite B arc::rValue --C -- M; tkzMarkAnglemarknoneCMB; tkzLabelAnglepos.CMB. tkzMarkAnglemarknoneDCM; tkzLabelAnglepos.DCM. tkzLabelSegmentbelowptBMround-modeplaces round-precisionrValue; tkzLabelSegmentbelowptABround-modeplaces round-precisionsValue; tikzpicture center
Solution:
Um die orangefarbene Fläche der Form zu bestimmen wird die Figur in drei Teilflächen zerlegt. tikzpicturescale. scope coordinate A at ; coordinate C at RValuerValue; coordinate M at RValue; coordinate D at RValuxValuerValue; coordinate B at RValurValue; draw A -- M -- D; draw A arc:-epsilonValue:RValue; fillorange! A arc:-epsilonValue:RValue -- M --A; tkzLabelSegmentbelowptAMRround-modeplaces round-precisionRValue; tkzLabelAngleposscale.DMAepsilon tkzMarkAnglemarknonesizeDMA; nodescale. at RValue/rValue/ A_; scope scopeyshift coordinate A at ; coordinate C at RValuerValue; coordinate M at RValue; coordinate D at RValuxValuerValue; coordinate B at RValurValue; draw M -- C -- D -- cycle; fillorange! M -- C -- D -- cycle; fillorange! M -- C -- D -- cycle; tkzMarkAnglemarknoneDCM; tkzLabelAnglepos.DCM. tkzLabelSegmentaboveptDCx; tkzLabelSegmentrightptDMRround-modeplaces round-precisionRValue; tkzLabelSegmentrightptMCrround-modeplaces round-precisionrValue; tkzLabelAnglepos scale.MDCepsilon tkzMarkAnglemarknonesizeMDC; nodescale. at *RValue/*rValue/ A_; scope scopexshift coordinate A at ; coordinate C at RValuerValue; coordinate B at RValurValue; coordinate M at RValue; coordinate D at RValuxValuerValue; nodescale. at RValurValue/rValue/ A_; draw B -- M-- C; draw B arc::rValue; tkzLabelSegmentbelowptBMrround-modeplaces round-precisionrValue; tkzMarkAnglemarknoneCMB; tkzLabelAnglepos.CMB. scope tikzpicture Zunächst werden die erste Fläche A_ und die zweite Fläche A_ addiert anschließ wird die dritte Fläche A_ davon subtrahiert. Allerdings fehlen noch bestimmte Werte die für die Berechnung dieser Flächen notwig sind. subsection*. Berechnung des Winkels epsilon Der Winkel epsilon ergibt sich aus: * sin epsilon fracrR epsilon arcsinleftfracrRright epsilon arcsinleftfracround-modeplaces round-precisionrValueround-modeplaces round-precisionRValueright epsilon round-modeplaces round-precisionepsilonValue^circ * subsection*. Berechnung der fehlen Dreieckseite Die fehle Dreieckseite wird mit dem Satz des Pythagoras berechnet: * x^ R^ - r^ x sqrtR^ - r^ x sqrtround-modeplaces round-precisionRValue^ - round-modeplaces round-precisionrValue^ x round-modeplaces round-precisionxValue * subsection*. Berechnung des Flächeninhalts A Der Flächeninhalt setzt sich aus drei Teilen zusammen: enumerate item Ein Kreissegment des großen Kreises: * A_ fracR^*pi*epsilon^circ A_ fracround-modeplaces round-precisionRValue^*pi*round-modeplaces round-precisionepsilonValue^circ^circ A_ round-modeplaces round-precisionAValue * item Der Flächeninhalt des Rechtecks: * A_ fracx*r A_ fracround-modeplaces round-precisionxValue*round-modeplaces round-precisionrValue A_ round-modeplaces round-precisionBValue * item Abzug eines Viertelkreises des kleinen Kreises: * A_ fracr^*pi A_ fracround-modeplaces round-precisionrValue^*pi A_ round-modeplaces round-precisionCValue * enumerate Der Gesamtflächeninhalt A ist: * A A_ + A_ - A_ * Einsetzen der Werte ergibt: * A round-modeplaces round-precisionAValue + round-modeplaces round-precisionBValue - round-modeplaces round-precisionCValue A round-modeplaces round-precisionDValue * subsection*Ergebnis Der gesuchte Flächeninhalt beträgt: boxedA round-modeplaces round-precisionDValue
Welchen Inhalt hat die hervorgehobene Fläche? center tikzpicturescale. coordinatelabelleft:A A at ; coordinatelabelabove:C C at RValuerValue; coordinatelabelbelow:B B at RValurValue; coordinatelabelright:M M at RValue; coordinatelabelabove:D D at RValuxValuerValue; drawthick A--B--M--C--D; drawthick B arc::rValue; drawthick A arc:-epsilonValue:RValue; fillorange! A arc:-epsilonValue:RValue -- C --M -- A; fillwhite B arc::rValue --C -- M; tkzMarkAnglemarknoneCMB; tkzLabelAnglepos.CMB. tkzMarkAnglemarknoneDCM; tkzLabelAnglepos.DCM. tkzLabelSegmentbelowptBMround-modeplaces round-precisionrValue; tkzLabelSegmentbelowptABround-modeplaces round-precisionsValue; tikzpicture center
Solution:
Um die orangefarbene Fläche der Form zu bestimmen wird die Figur in drei Teilflächen zerlegt. tikzpicturescale. scope coordinate A at ; coordinate C at RValuerValue; coordinate M at RValue; coordinate D at RValuxValuerValue; coordinate B at RValurValue; draw A -- M -- D; draw A arc:-epsilonValue:RValue; fillorange! A arc:-epsilonValue:RValue -- M --A; tkzLabelSegmentbelowptAMRround-modeplaces round-precisionRValue; tkzLabelAngleposscale.DMAepsilon tkzMarkAnglemarknonesizeDMA; nodescale. at RValue/rValue/ A_; scope scopeyshift coordinate A at ; coordinate C at RValuerValue; coordinate M at RValue; coordinate D at RValuxValuerValue; coordinate B at RValurValue; draw M -- C -- D -- cycle; fillorange! M -- C -- D -- cycle; fillorange! M -- C -- D -- cycle; tkzMarkAnglemarknoneDCM; tkzLabelAnglepos.DCM. tkzLabelSegmentaboveptDCx; tkzLabelSegmentrightptDMRround-modeplaces round-precisionRValue; tkzLabelSegmentrightptMCrround-modeplaces round-precisionrValue; tkzLabelAnglepos scale.MDCepsilon tkzMarkAnglemarknonesizeMDC; nodescale. at *RValue/*rValue/ A_; scope scopexshift coordinate A at ; coordinate C at RValuerValue; coordinate B at RValurValue; coordinate M at RValue; coordinate D at RValuxValuerValue; nodescale. at RValurValue/rValue/ A_; draw B -- M-- C; draw B arc::rValue; tkzLabelSegmentbelowptBMrround-modeplaces round-precisionrValue; tkzMarkAnglemarknoneCMB; tkzLabelAnglepos.CMB. scope tikzpicture Zunächst werden die erste Fläche A_ und die zweite Fläche A_ addiert anschließ wird die dritte Fläche A_ davon subtrahiert. Allerdings fehlen noch bestimmte Werte die für die Berechnung dieser Flächen notwig sind. subsection*. Berechnung des Winkels epsilon Der Winkel epsilon ergibt sich aus: * sin epsilon fracrR epsilon arcsinleftfracrRright epsilon arcsinleftfracround-modeplaces round-precisionrValueround-modeplaces round-precisionRValueright epsilon round-modeplaces round-precisionepsilonValue^circ * subsection*. Berechnung der fehlen Dreieckseite Die fehle Dreieckseite wird mit dem Satz des Pythagoras berechnet: * x^ R^ - r^ x sqrtR^ - r^ x sqrtround-modeplaces round-precisionRValue^ - round-modeplaces round-precisionrValue^ x round-modeplaces round-precisionxValue * subsection*. Berechnung des Flächeninhalts A Der Flächeninhalt setzt sich aus drei Teilen zusammen: enumerate item Ein Kreissegment des großen Kreises: * A_ fracR^*pi*epsilon^circ A_ fracround-modeplaces round-precisionRValue^*pi*round-modeplaces round-precisionepsilonValue^circ^circ A_ round-modeplaces round-precisionAValue * item Der Flächeninhalt des Rechtecks: * A_ fracx*r A_ fracround-modeplaces round-precisionxValue*round-modeplaces round-precisionrValue A_ round-modeplaces round-precisionBValue * item Abzug eines Viertelkreises des kleinen Kreises: * A_ fracr^*pi A_ fracround-modeplaces round-precisionrValue^*pi A_ round-modeplaces round-precisionCValue * enumerate Der Gesamtflächeninhalt A ist: * A A_ + A_ - A_ * Einsetzen der Werte ergibt: * A round-modeplaces round-precisionAValue + round-modeplaces round-precisionBValue - round-modeplaces round-precisionCValue A round-modeplaces round-precisionDValue * subsection*Ergebnis Der gesuchte Flächeninhalt beträgt: boxedA round-modeplaces round-precisionDValue
Meta Information
Exercise:
Welchen Inhalt hat die hervorgehobene Fläche? center tikzpicturescale. coordinatelabelleft:A A at ; coordinatelabelabove:C C at RValuerValue; coordinatelabelbelow:B B at RValurValue; coordinatelabelright:M M at RValue; coordinatelabelabove:D D at RValuxValuerValue; drawthick A--B--M--C--D; drawthick B arc::rValue; drawthick A arc:-epsilonValue:RValue; fillorange! A arc:-epsilonValue:RValue -- C --M -- A; fillwhite B arc::rValue --C -- M; tkzMarkAnglemarknoneCMB; tkzLabelAnglepos.CMB. tkzMarkAnglemarknoneDCM; tkzLabelAnglepos.DCM. tkzLabelSegmentbelowptBMround-modeplaces round-precisionrValue; tkzLabelSegmentbelowptABround-modeplaces round-precisionsValue; tikzpicture center
Solution:
Um die orangefarbene Fläche der Form zu bestimmen wird die Figur in drei Teilflächen zerlegt. tikzpicturescale. scope coordinate A at ; coordinate C at RValuerValue; coordinate M at RValue; coordinate D at RValuxValuerValue; coordinate B at RValurValue; draw A -- M -- D; draw A arc:-epsilonValue:RValue; fillorange! A arc:-epsilonValue:RValue -- M --A; tkzLabelSegmentbelowptAMRround-modeplaces round-precisionRValue; tkzLabelAngleposscale.DMAepsilon tkzMarkAnglemarknonesizeDMA; nodescale. at RValue/rValue/ A_; scope scopeyshift coordinate A at ; coordinate C at RValuerValue; coordinate M at RValue; coordinate D at RValuxValuerValue; coordinate B at RValurValue; draw M -- C -- D -- cycle; fillorange! M -- C -- D -- cycle; fillorange! M -- C -- D -- cycle; tkzMarkAnglemarknoneDCM; tkzLabelAnglepos.DCM. tkzLabelSegmentaboveptDCx; tkzLabelSegmentrightptDMRround-modeplaces round-precisionRValue; tkzLabelSegmentrightptMCrround-modeplaces round-precisionrValue; tkzLabelAnglepos scale.MDCepsilon tkzMarkAnglemarknonesizeMDC; nodescale. at *RValue/*rValue/ A_; scope scopexshift coordinate A at ; coordinate C at RValuerValue; coordinate B at RValurValue; coordinate M at RValue; coordinate D at RValuxValuerValue; nodescale. at RValurValue/rValue/ A_; draw B -- M-- C; draw B arc::rValue; tkzLabelSegmentbelowptBMrround-modeplaces round-precisionrValue; tkzMarkAnglemarknoneCMB; tkzLabelAnglepos.CMB. scope tikzpicture Zunächst werden die erste Fläche A_ und die zweite Fläche A_ addiert anschließ wird die dritte Fläche A_ davon subtrahiert. Allerdings fehlen noch bestimmte Werte die für die Berechnung dieser Flächen notwig sind. subsection*. Berechnung des Winkels epsilon Der Winkel epsilon ergibt sich aus: * sin epsilon fracrR epsilon arcsinleftfracrRright epsilon arcsinleftfracround-modeplaces round-precisionrValueround-modeplaces round-precisionRValueright epsilon round-modeplaces round-precisionepsilonValue^circ * subsection*. Berechnung der fehlen Dreieckseite Die fehle Dreieckseite wird mit dem Satz des Pythagoras berechnet: * x^ R^ - r^ x sqrtR^ - r^ x sqrtround-modeplaces round-precisionRValue^ - round-modeplaces round-precisionrValue^ x round-modeplaces round-precisionxValue * subsection*. Berechnung des Flächeninhalts A Der Flächeninhalt setzt sich aus drei Teilen zusammen: enumerate item Ein Kreissegment des großen Kreises: * A_ fracR^*pi*epsilon^circ A_ fracround-modeplaces round-precisionRValue^*pi*round-modeplaces round-precisionepsilonValue^circ^circ A_ round-modeplaces round-precisionAValue * item Der Flächeninhalt des Rechtecks: * A_ fracx*r A_ fracround-modeplaces round-precisionxValue*round-modeplaces round-precisionrValue A_ round-modeplaces round-precisionBValue * item Abzug eines Viertelkreises des kleinen Kreises: * A_ fracr^*pi A_ fracround-modeplaces round-precisionrValue^*pi A_ round-modeplaces round-precisionCValue * enumerate Der Gesamtflächeninhalt A ist: * A A_ + A_ - A_ * Einsetzen der Werte ergibt: * A round-modeplaces round-precisionAValue + round-modeplaces round-precisionBValue - round-modeplaces round-precisionCValue A round-modeplaces round-precisionDValue * subsection*Ergebnis Der gesuchte Flächeninhalt beträgt: boxedA round-modeplaces round-precisionDValue
Welchen Inhalt hat die hervorgehobene Fläche? center tikzpicturescale. coordinatelabelleft:A A at ; coordinatelabelabove:C C at RValuerValue; coordinatelabelbelow:B B at RValurValue; coordinatelabelright:M M at RValue; coordinatelabelabove:D D at RValuxValuerValue; drawthick A--B--M--C--D; drawthick B arc::rValue; drawthick A arc:-epsilonValue:RValue; fillorange! A arc:-epsilonValue:RValue -- C --M -- A; fillwhite B arc::rValue --C -- M; tkzMarkAnglemarknoneCMB; tkzLabelAnglepos.CMB. tkzMarkAnglemarknoneDCM; tkzLabelAnglepos.DCM. tkzLabelSegmentbelowptBMround-modeplaces round-precisionrValue; tkzLabelSegmentbelowptABround-modeplaces round-precisionsValue; tikzpicture center
Solution:
Um die orangefarbene Fläche der Form zu bestimmen wird die Figur in drei Teilflächen zerlegt. tikzpicturescale. scope coordinate A at ; coordinate C at RValuerValue; coordinate M at RValue; coordinate D at RValuxValuerValue; coordinate B at RValurValue; draw A -- M -- D; draw A arc:-epsilonValue:RValue; fillorange! A arc:-epsilonValue:RValue -- M --A; tkzLabelSegmentbelowptAMRround-modeplaces round-precisionRValue; tkzLabelAngleposscale.DMAepsilon tkzMarkAnglemarknonesizeDMA; nodescale. at RValue/rValue/ A_; scope scopeyshift coordinate A at ; coordinate C at RValuerValue; coordinate M at RValue; coordinate D at RValuxValuerValue; coordinate B at RValurValue; draw M -- C -- D -- cycle; fillorange! M -- C -- D -- cycle; fillorange! M -- C -- D -- cycle; tkzMarkAnglemarknoneDCM; tkzLabelAnglepos.DCM. tkzLabelSegmentaboveptDCx; tkzLabelSegmentrightptDMRround-modeplaces round-precisionRValue; tkzLabelSegmentrightptMCrround-modeplaces round-precisionrValue; tkzLabelAnglepos scale.MDCepsilon tkzMarkAnglemarknonesizeMDC; nodescale. at *RValue/*rValue/ A_; scope scopexshift coordinate A at ; coordinate C at RValuerValue; coordinate B at RValurValue; coordinate M at RValue; coordinate D at RValuxValuerValue; nodescale. at RValurValue/rValue/ A_; draw B -- M-- C; draw B arc::rValue; tkzLabelSegmentbelowptBMrround-modeplaces round-precisionrValue; tkzMarkAnglemarknoneCMB; tkzLabelAnglepos.CMB. scope tikzpicture Zunächst werden die erste Fläche A_ und die zweite Fläche A_ addiert anschließ wird die dritte Fläche A_ davon subtrahiert. Allerdings fehlen noch bestimmte Werte die für die Berechnung dieser Flächen notwig sind. subsection*. Berechnung des Winkels epsilon Der Winkel epsilon ergibt sich aus: * sin epsilon fracrR epsilon arcsinleftfracrRright epsilon arcsinleftfracround-modeplaces round-precisionrValueround-modeplaces round-precisionRValueright epsilon round-modeplaces round-precisionepsilonValue^circ * subsection*. Berechnung der fehlen Dreieckseite Die fehle Dreieckseite wird mit dem Satz des Pythagoras berechnet: * x^ R^ - r^ x sqrtR^ - r^ x sqrtround-modeplaces round-precisionRValue^ - round-modeplaces round-precisionrValue^ x round-modeplaces round-precisionxValue * subsection*. Berechnung des Flächeninhalts A Der Flächeninhalt setzt sich aus drei Teilen zusammen: enumerate item Ein Kreissegment des großen Kreises: * A_ fracR^*pi*epsilon^circ A_ fracround-modeplaces round-precisionRValue^*pi*round-modeplaces round-precisionepsilonValue^circ^circ A_ round-modeplaces round-precisionAValue * item Der Flächeninhalt des Rechtecks: * A_ fracx*r A_ fracround-modeplaces round-precisionxValue*round-modeplaces round-precisionrValue A_ round-modeplaces round-precisionBValue * item Abzug eines Viertelkreises des kleinen Kreises: * A_ fracr^*pi A_ fracround-modeplaces round-precisionrValue^*pi A_ round-modeplaces round-precisionCValue * enumerate Der Gesamtflächeninhalt A ist: * A A_ + A_ - A_ * Einsetzen der Werte ergibt: * A round-modeplaces round-precisionAValue + round-modeplaces round-precisionBValue - round-modeplaces round-precisionCValue A round-modeplaces round-precisionDValue * subsection*Ergebnis Der gesuchte Flächeninhalt beträgt: boxedA round-modeplaces round-precisionDValue
Contained in these collections
| Title | Creator | Matched on |
|---|---|---|
| Winkel in geometrischer Figur | uz | tags |
| Entfernung von Punkten | uz | tags |
| Strecke in Figur berechnen | uz | tags |
| Strecke in Figur | uz | tags |
| Strecke | uz | tags |
Similar exercises (12)
| Title | Creator | Matched on |
|---|---|---|
| Winkel in geometrischer Figur | uz | tags |
| Entfernung von Punkten | uz | tags |
| Strecke in Figur berechnen | uz | tags |
| Strecke in Figur | uz | tags |
| Strecke | uz | tags |
| Winkel in Dreieck | uz | tags |
| Gleichschenkliges Dreieck | uz | tags |
| Winkel im Kreis | uz | tags |
| Fläche | uz | title |
| Fläche | uz | title |
| Flächeninhalt | uz | tags |
| Flächeninhalt Trapez | uz | tags |

