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Earn +20 ptsQ: What is the area of a circle with a diameter of 40 inches?
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What is the area of the circle if the diameter is 40 inches inches?
The area of the circle is 1,256.6 square inches.
How many square inches in a 40 inch diameter circle?
Area of a circle = πr² (remember that r or radius is exactly half of the diameter) Radius therefore = 40/2 = 20 inches Thus the Area = 3.14159 × 20 squared = 1256.636 square inches
Diameter of circle in inches if the radius is 20 feet.?
40'
If a circle has the diameter of 40 in what is the area?
Area of circle: pi*20^2 = 400*pi square units
How many square inches in a 40 diameter circle?
400 x pi squinches
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