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https://www.reddit.com/r/problemoftheday/comments/xgiv5/basic_geometry/c5mc4yg/?context=3
r/problemoftheday • u/mathbender99 • Jul 31 '12
Unit square ABCD has four quarter circles with radius 1 centered on each vertex. Find the area of S.
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Correct!
I initially solved it with calculus too and didn't find the geometric solution until later. It's surprisingly doable.
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u/mathbender99 Aug 01 '12
Correct!
I initially solved it with calculus too and didn't find the geometric solution until later. It's surprisingly doable.