Question

Brian has a circular-shaped swimming pool that has a radius of 13 feet. Brian wants to install tile around the pool and needs to calculate the circumference of the pool. Approximate the circumference of Brian’s pool to the nearest whole unit. Include all of your calculations in your final answer.

Answer 1

82 feet

Explanation:

The formula for the circumference of a circle using the radius is C=2πr.

C=2π×13 --- fill in the radius

C=81.6814 --- simplify

C=82 --- round to nearest whole unit

Circumference is 82 feet