Question

A thread of length 528cm is used to form a circle. What will be the diameter of the circle formed?

• A. 96 cm
• B. 84 cm
• C. 66 cm
• D. 78 cm

Answer 1

Answer:

B. 84 cm

Length of the thread= perimeter of the circle 528 = 2πr 528 = 2 × 22/7 × r r = 528 × 7/( 2 × 22) = 84