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Earn +20 ptsQ: What is the area of a circle that has a 20 inch diameter?
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How many square inch in a 20 inch diameter circle?
There are 100*pi square inches in a 20 inch diameter circle
What is the square footage of a 20 INCH diameter circle?
Diameter = 20 inch => radius = 10 inches = 10/12 feet. So area = pi*(10/12)^2 = 2.1817 sq feet approx.
If the diameter of a circle 20 cm is tripled what will the area be?
If the diameter of a circle 20 cm is tripled the area will increase from 314.2 cm2 to 2,827 cm2
How many quare inches in 20 inch diameter circle?
Area of circle: pi*10^2 = 314.159 square inches rounded to 3 decimal places
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
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