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Earn +20 ptsQ: What is the ratio between radius and area for a circle?
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How do you find ratio of area to radius?
In a circle, the area of the circle is pi times the radius squared
What is the ratio of a circle with a radius of 8cm?
It depends on the ratio of what of the circle? Its circumference, diameter, area?
What is the ratio if the area of a circle to the area of a square when one side of the square is the radius of the circle?
1/3.15159
How do you find ratio of a circumference?
The answer depends on what the ratio is relative to!The ratio of a circumference to the area of a circle is half the radius.
If the radius of a circle is 18 inches what is the area?
The area of a circle is given by the formula A = πr2 where pi is the ratio of the circumference of a circle to its diameter and r is the radius. π = 3.1416 approx. A = π182 = 324π = 1017.88 in2 (2dp)
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