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Earn +20 ptsQ: How many square feet in a circle with a 12 foot radius?
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Continue Learning about Geometry
How many square feet are in a 25 foot radius?
A 25-foot radius circle is 1,963.5 ft2
How many square feet in a 1 foot diameter circle?
The area of a circle is PI times the radius of the circle squared. The radius of a one foot diameter circle it 1/2 or .5 feet. .5 squared is .25 PI is 3.1416 3.1416 times .25 = .79 square feet So, there are about .8 square feet in a 1 foot diameter circle.
What is the square footage of a 10 foot radius circle?
Knowing that the area of a circle is its radius squared times Pi, the area of a 10 ft radius circle is 100*Pi square ft, or about 314 square feet.
What are the dimensions of a circle with a 90 foot radius?
The circumference is 565.5 feet. The area is 25,450 square feet. The diameter is 180 feet.
How do you calculate square foot of semi circle?
You take half the area of a circle in square feet. The formula is: 1/2 * pi * (radius)2
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