Circle Sandwich (performance task)

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    • #2300

      Circle sandwich

      The purpose of this task is to apply knowledge about triangles, circles, and squares in order to

      calculate and compare two different areas. This can be done in several ways: the solutions

      below use definition of congruence, the Pythagorean Theorem, and symmetry considerations.

      The symmetry argument requires auxiliary lines (the two diagonals of the inner square) while

      the Pythagorean Theorem can be applied to the picture as is after labeling some key points.


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