Question

The radius of a circle is 12.25 centimeters. What is the circumference of the circle?

O38.465 cm
O76.93 cm
0 78.5 cm
O15.39 cm

Answer 1

76.9 cm

Explanation:

circumference of a circle = 2 π r

where r = 12.25 cm radius

plugin values into the formula:

circumference of a circle = 2 π (12.25)

= 76.9 cm