Project 13: Circumference to Area

The circle above has circumference 20 inches.  This means the area of the circle should be about 31.9 inches squared.

Project 13: Variable 'circumference' has been initialized.  

Task: Initialize the appropriate value for 'area' that represents the area of the circle.

**If your code works for 5 test cases, you can enter your e-mail address

Universal Computational Math Methods:

pow(5,2) returns 25.0

abs(-3.0) returns 3

sqrt(49.0) returns 7.0