MATH HOMEWORK
posted by Nat on .
Find the circle circumference and circle area with a circles radius 10 inches
I think the circles are is 314 but don't know the circumference.

C = pi * d
C = 3.14 * 20
C = ?
You're right about the area  314 square inches. 
62.8

Right.

3 in

a circular mat has a circumstance of 220 centimeters . find the radius rounded to the nearest whole number.