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What is the distance around a circle with a diameter of 18 inches?
Wiki User
∙ 15y ago
A= Pi r ^2 ; diameter = 2*r A= 3.14 * (1/2*18)^2 A= 3.14 * 9^2 A= 3.14 * 81 A= 254.34 in^2
Wiki User
∙ 16y ago
Wiki User
∙ 15y agoYou mean the circumference C. C = pi times d C = 56.549 inches.
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Explain how to do the basic math to determe 3.14 x diameter 2squared?
Your question doesn't make sense. The area of a circle is Pi (approximately 3.14) times the RADIUS squared. An example would be a circle with a diameter of 6 inches and thus the circle would have a radius of 3 inches. Three squared (3 times 3) is 9, and 9 times Pi is approximately 28.3 square inches.
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20xπ=~62.83185307179586476925286766559
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How many inches around is a 17 inch diameter circle?
circumference = 17pi inches
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The circumference of a circle with a diameter of 3 inches is 9.425 inches.
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If the circumference of a circle is 62.8 inches the diameter is: 20 inches.
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