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What is the exact area of a circle with a diameter of 23 inches?
Wiki User
∙ 12y ago
Area of a circle = (pi) R2
R = radius = 1/2 diameter = 11.5 inches
Area = (pi) (11.5)2 = 132.25 pi
The area is exactly [ 132.25 pi ] square inches.
Without the symbol [ pi ] and using only digits, it can be written within an error
as small as desired, but it can never be written with exactly zero error.
Wiki User
∙ 12y ago
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