Question
Perimeter of a square is equal to the perimeter of a
circle that is 484 cm. Find the ratio of the side of the square to the radius of the circle.Solution
ATQ, Let, radius of circle and side of square be ‘r’ cm and ‘a’ cm, respectively. Perimeter of the circle = 2πr 484 = 2 × 22/7 × r 484 × 7/22 × 1/2 = r r = 77 cm Perimeter of the square = 4a 484 = 4a a = 121 cm Required ratio = 121:77 = 11:7
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