4 cm radius = Area of 50.26548 sq. cm.
A circle with a radius of 3 cm has an area of 28.27 square cm.
Radius of circle: square root of (324/pi) = 10.1554125 cm Circumference of circle: 2*pi*10.1554125 = 63.80833861 or 64 cm to the nearest integer
A circle with a radius of 2.7 cm has an area of 22.9 square cm.
A circle with a radius of 8.2 cm has an area of 211.24 square cm.
Area of a circle in square cm = pi*radius squared
4 cm radius = Area of 50.26548 sq. cm.
A circle with a radius of 3 cm has an area of 28.27 square cm.
A circle with a radius of 19 cm has an area of 1,134.11 square cm.
A circle with a radius of 2 cm has an area of 12.57 square cm.
A circle with a radius of 25 cm has an area of 1,963.5 square cm.
Radius of circle: square root of (324/pi) = 10.1554125 cm Circumference of circle: 2*pi*10.1554125 = 63.80833861 or 64 cm to the nearest integer
A circle with a radius of 4 cm has an area of 50.27 square cm.
A circle with a radius of 2.7 cm has an area of 22.9 square cm.
A circle with a radius of 8.2 cm has an area of 211.24 square cm.
The area of a circle with a 14 cm radius is: 615.8 cm2
The area of a circle with a radius of 15 cm is: 706.9 cm2