Question

Find the perimeter of a circle whose radius is 3.5cm. (Take pi = 22/7)

Answer 1

P = 44

Explanation:

The formula for the perimeter (circumference) of a circle is;

C = πd

C = 2πr

C = 2π (3.5)2

C = 2π7

C = 2 * 22/7 * 7

C = 2 * 22

C = 44