Question

A builder is putting in a circular patio. Find the circumference by using 22/ 7 as an estimate for . What is the circumference if the radius is 5 yards.

Answer 1

110/7 yards

Explanation:

Given:-

- The radius of circular patio, r = 5 yards

Find:-

What is the circumference of circular patio

Solution:-

- The circumference "C" of a circle is given as:

`C =2 *\pi*r\\\\\pi = (22)/(7) \\\\ C = 2*(22)/(7)*5\\\\C = (110)/(7) yards`

- The circumference of the circular patio is 110 / 7 yards.