Diameter of circle: 2 times square root (78.5/pi) = 10 units rounded up
Area = Pi multiplied by the radius squared Circumference = Pi multiplied by the diameter r = 10 in./2 = 5 in. A = (3.1415)(5 in.)(5 in.) = 78.54 in.2 C = (3.1415)(10 in.) = 31.42 in. Therefore, a small circle with a diameter of 10 inches has an area of about 78.54 inches squared and a circumference of about 31.42 inches.
Area of a circle = pi*radius2 Area = 314.159 square feet to 3 decimal places.
Area = pi R2 = 100 pi = 314.16 square feet (rounded)
If the circumference of a circle is 10 inches, the diameter is: about 3.183 inches. (circumference divided by Pi = diameter)
A circle that has an area of 78.5 square feet has a diameter of 10 feet.
The area of a circle that has a 10 ft diameter is: 78.54 square feet.
Using 3.14 as Pi the area of circle is: 78.5
78.5 square feet.
78.5 square feet.
There are 10 linear feet in a 10 foot diameter circle.
Diameter = 10/pi = 3.183098862 feet
The area of a circle with a diameter of 10 centimeters is: 78.54 cm2
The formula for circumference is 2 x pi x radius. For a circle of 10 feet, the cirumference would be 62.8 feet. The formula for area is pi x r2. For a circle of 10 feet, the radius would be 314.16 ft.
Area = (pi) R2 = (pi) (1/2 diameter)2 = 25 pi = 78.54square feet (rounded)
Area of outer circle minus area of inner circle: 132.7322896 - 78.53981634 = 54.19247327 square feet
The area of a circle is computed by the formula A = pi * r2 (r is the radius of the circle)For a 20 foot circle, the radius is 10 feet and the area is 314.16 square feet.