Five Squares in a Circle
Five identical squares are placed inside a circle of radius 10. If these squares do not overlap each other, what’s the largest side length for each square?
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Folding a Rectangle
ABCD is a rectangle, where AB = 4, and AD = 3. E and F are on AB and CD respectively. If ABCD is folded along EF, B and C meet. How long is the line segment EF?
