Question

Find the area of a circle with a radius of 2.

Either enter an exact answer in terms of ar or use 3.14 for and enter your answer as a decimal.

Answer 1

12.5663706

Explanation:

if r=2

the equation for area of circle is 2pier

plug in r and you get 2pi2

mulitply it is 12.5663706 or 4pi.