The area of a circle is easily found by multiplying its radius squared times the constant pi. If only the circumference is known, the radius is found by taking 1/2 of the circumference divided by pi.
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The radius of a circle with an area of 706.50 square inches is: 15 inches.
The area of a circle with a diameter of 12 inches is: 113.1 square inches.
3.141 square inches
Area of a circle measured in square units = pi*radius2
The area of the circle is 1,256.6 square inches.