Question

The radius of a circle is 11 cm. Find the circumference to the nearest tenth

Answer 1

69.1 cm (nearest tenth)

Explanation:

Circumference of circle= 2πr, where r is the radius.

Given that r= 11 cm,

circumference of the circle

= 2(π)(11)

= 22π

= 69.1 cm (nearest tenth)