A circle with a radius of 0.9 km has an area of 2.54 square km
Using 3.14 as Pi the area of circle is: 2.5434
The area of a circle with a diameter of 13 centimeters is: 132.7 cm2
Using 3.14 as Pi the area of circle is: 615.44
The area of a circle with a 13 ft diameter is: 132.7 square feet.
A circle with a radius of 0.9 km has an area of 2.54 square km
Using 3.14 as Pi the area of circle is: 2.5434
The circle's area is 22,698 km2
Using 3.14 as Pi the area of circle is: 2807.1913999999997
A circle with a radius of 13 units has an area of 530.93 square units.
The area of a circle with a diameter of 13 centimeters is: 132.7 cm2
Using 3.14 as Pi the area of circle is: 615.44
The area of a circle with a circumference of 13 is: 13.45 square units.
The area of a circle with a 13 ft diameter is: 132.7 square feet.
The circle's area is about 13.45 square units.
The area of a circle, if it has a diameter of 13 feet, is: 132.7 square feet.
An area of 5km radius implies a circle. The area of a circle of radius r is {pi}r2. Area ~= 3.14 x 5 x 5 km2 ~= 78.54 km2.