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In other words, what is the area of a circle? The formula is
Ï€r2
pronounced 'pi r squared', and means the constant pi, which is multiplied by the radius squared. In your case, with 6 inch radius, the answer would be
πr2 = π62= 36π in2. Taking π = 22 / 7, we can say that: 36π in2= 113.14 in2.
The above math is wrong. You need to use the Radius of the six inch circle which is 3 inches, as well, 22/7 is a very rough estimate of PI as well, only good to 2 decimals.
pi*r2 in this case is pi*32=28.27in2 or 182.39cm2
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Area of 12 inch diameter circle vs 16 inch?
Area of a 12-inch circle: 113.1 square inches.Area of a 16-inch circle: 201.1 square inches.
How many square feet in a 72 inch diameter circle?
A 72-inch diameter circle has an area of: 28.3 square feet.
What is the area of a 32 inch circle?
A 32-inch circle has an area of 804 square inches.
What is the area of a 4 inch circle?
A 4-inch diameter circle has an area of 12.566 square inches.
What is the area of a 11 inch circle?
The area of an 11-inch diameter circle is: 95.03 square inches.
