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Stacking circles

Stacking circles

David J C Elgin

Fach:

Schlagwörter Pythagoras

Circles are stacked. How high is the top point above the ground?

Students are required to use Pythagoras and simple geometry to calculate the height of the point A above the ground.

 

Clicking on the slider in the bottom right corner reveals the correct answer. New examples can be made by moving the white circle on each diagram]

 

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