To find the radius the formula is pi*radius*raduis So it is going to be 2 to the second power.......Leaving you with an answer of 4 inches......Be sure to include pi
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Area = Pi(r)2 - A circle with a radius of 25 inches has an area of 1,963.5 square inches.
Area = Pi(r)2 - A circle with a radius of 12 inches has an area of 452.39 square inches.
pi*25 = 78.5.
r = 7.421 inches.
To find the radius of a circle when given the circumference, you can use the formula C = 2πr, where C is the circumference and r is the radius. Given that the circumference is 62.8 inches, you can plug this value into the formula: 62.8 = 2πr. Solving for r, you get r ≈ 9.98 inches. Therefore, the approximate radius of a circle with a circumference of 62.8 inches is 9.98 inches.