Circle Circumference and the Number Pi

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Roll a circle one full turn along a line. The line is equal to the circumference of the circle. Then imagine rolling more circles of various sizes along the line always equal to the circumference of the circle.

What can you tell about the relationship between the circumference and the diameter of a given circle? Is it the same for all circles?

 
Posted: December 11, 2007
Puzzle
Solution
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Step Through:

Four Circles Consecutive Rectangle Squares
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