A = 1,257 cm2
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A circle with a radius of 10 cm has an area of 314.16 square cm
The area of a circle if the radius is 9m 254.5m2
The radius of a circle with the area of 36 is 3.385
When the angle is measured in radians arc_length = angle x radius. So, 20cm = angle x 12cm => angle = 20cm / 12cm ~= 1.67 radians
A circle with a radius of 10m has an area of 314.16 m2