Question

a circle pool at a water treatment facility has a radius of 6 meters. about how long is the outer rim of the pool?

Answer 1

Circumference = 2(Pi)r

r = 6

(2)(3.14)(6) = 37.68 m

Answer 2

The formula for calculating the circumference of a circle is 2*pi*r. Because pi does not have an end, we'll use 3.14, since that is the approximate value of pi.
2*6*3.14 = 37.68
The outer rim of the pool is about 37.68 meters long