29) Find the area A and circumference Cof a circle of radius 7 mi. Express the answer in

terms of pie

Step-by-step explanation:

The formula for the area of a circle is pi*radius^2. Therefore the area is 7^2*pi = 49pi miles^2

The formula for the circumference of a circle is pi*diameter. Therefore the circumference is

7*2*pi = 14pi miles