A piece of wire, bent in the shape of a square having 44 cm as its side, is subsequently bent to form a circle. What will be the radius of the circle?

Show answer & explanation

Answer: (D) 28 cm

Explanation

Wire length = 4 × 44 = 176 cm = 2πr. r = 176 × 7/(2 × 22) = 28 cm.