If the circumference of a circle is equal to perimeter of a square, then find the
area of square in term of and radius r
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Answer:
Circumference = perimeter
2 pi r = 4a
2 * 22/7 * r = 4a
22/7 * r = 2a
r = 2a * 7/22 = 7/11 a
Area of circle / area of square
= pi r2 / a2
= 22/7 * 7 / 11 a * 7/11 a / a2
=14 : 11
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