6"
The circumference of a circle whose radius is 6 inches is: 37.7 inches.
The radius is 7 inches.
A circle with a radius of 6.6 inches has an area of 136.85 square inches.
17.4 inches
Area = Pi(r)2 - A circle with a radius of 25 inches has an area of 1,963.5 square inches.
The area is 1,020 square inches.
It is: 2*5 = 10 inches
37.7in
Area = Pi(r)2 - A circle with a radius of 12 inches has an area of 452.39 square inches.
pi*10*10 square inches
Radius = 1/2 of diameter = 7/2 = 3.5 inches
12π or approximately 37.699 inches