the side of a square is 10cm. Find the area between inscribed and circumscribed circles of the square.
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Answer:
diagonal = root of 102 + 102
= 10root2 cm
area of circumscribed circle = pi x (10root2/2)
= 3.14 x 100 /2 = 157 cm2
area of inscribed circle = 3.14 x 10 x 10/4 = 314/4 = 78.5 cm2
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