Circumference is 2π times the radius. So, for 14π the radius is 7. Area is πr2, so the area of a circle with radius 7 is 72π, or 49π (153.93).
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If a circle has a diameter of 14, the circumference is: 43.98.
You dived the area by the circumference of the circle.
Circumference of a circle is (pi * diameter). Area of a circle is (pi * r2).
Area = (Circumference squared)/4 pi Circumference = 2 sqrt(Area times pi)
The area of a circle with circumference 9.42in is: about 7.061 square inches.