10x10 = 100
100 x pi, or 100 x 3.14159 = 314.16 square inches
one square foot = 1296 square inches
314.16 / 1296 = .242 square feet
If the radius of a circle is 80 inches, then the area of the circle is 139.6263 square feet. (rounded)
A circle with a radius of 80 inches has an area of 139.6 square feet A circle with a circumference of 40.5 feet has an area of 130.5 square feet
961 pi square inches
Change the inches into feet and use the area formula for a circle: pi*radius squared
The area of a circle with radius r feet is pi*r*r square feet.
If the radius of a circle is 80 inches, then the area of the circle is 139.6263 square feet. (rounded)
A circle with a radius of 80 inches has an area of 139.6 square feet A circle with a circumference of 40.5 feet has an area of 130.5 square feet
The radius of the circle is 21 inches. The area of the circle is (pi) times (radius squared) = pi times 441 = 1,385.44+ square inches. 1 square foot = 144 square inches. The area of the circle is (1385.44+ square inches) divided by 144 = 9.621 square feet (rounded to 3 decimal places).
961 pi square inches
Change the inches into feet and use the area formula for a circle: pi*radius squared
A 12-inch circle has an area of 0.784 square feet.
A circle with a radius of 14 feet has an area of 615.75 square feet.
Radius of circle: square root of (64/pi) = 4.5135166683 feet
The area of a circle with radius r feet is pi*r*r square feet.
If a circle's radius is 240 inches, its circumference is: 1,508 inches or 125.6 feet
The radius is 72 inches.
The radius is 1.96 feet.