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If the area of a circle is 121pi square units, what is its diameter
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Sep 13, 2022
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If the area of a circle is 121pi square units, what is its diameter
Mathematics
high-school
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The area of a circle is A = r^2pi
Since the area is equal to 121pi the equation would be, 121pi = r^2. To find r in terms of pi take the square root of 121, to find the radius. Then multiply that by two to get the diameter.
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Sep 16, 2022
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