Question

A round swimming pool has a radius of 12 feet. What is its circumference?

Answer 1

about 452.16

Explanation:

c = pi r²

12²= 144

pi is about 3.14

144 × 3.14 = 452.16

Answer 2

c=2πr

=2*3.14*12

=75.36 m

it's circumference is 75.36 m