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02-05-2019
Mathematics

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Determine the approximate circumference of a circle with diameter 18 units.

A. 56.5 units
B. 9.4 units
C. 113.1 units
D. 28.3 units

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02-05-2019

Answer: 56.549 or 56.5

Explanation:

C= (pie) 3.14 * d = 2 * 3.14 * r

D= 18

C = 3.14 * 18 = 18 * 3.14

C = 56.549 or 56.5

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