Question

What is the circumference of the circle? Use StartFraction 22 over 7 EndFraction for Pi. A circle with radius 21 centimeters. 44 cm 66 cm 132 cm 154 cm

Answer 1

132 cm

Explanation:

The circumference of a circle is given by

C = 2 * pi*r

Using 22/7 as pi

C = 2 * 22/7*21

= 132 cm