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