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One or Two

Stage: 4 Short Challenge Level: Challenge Level:3 Challenge Level:3 Challenge Level:3


The diagrams show squares placed inside two identical semicircles. In the lower diagram the two squares are identical.

What is the ratio of the areas of the two shaded regions?







If you liked this problem, here is an NRICH task that challenges you to use similar mathematical ideas.


This problem is taken from the UKMT Mathematical Challenges.
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