Question

The radius of a circle is 2 kilometers. What is the circle's area?
Use 3.14 for T.

Answer 1

12.56 kilometers

Explanation:

Formula for area of a circle A= πr^2

Insert the variables into the formula

A= (3.14) 2^2

A= (3.14) 4

A = 12.56

Answer 2

2squareroot of 2 is 4 then you multiply by 3.14 then you get 12.56