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5 October, 06:08

Using the formula C = 2πr, find the circumference of a circle with diameter of 28 inches. Round your answer to the nearest inch.

A. 56 in.

B. 44 in.

C. 88 in.

D. 28 in.

28 in.?

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Answers (2)
  1. 5 October, 06:16
    0
    The answer my friend is b
  2. 5 October, 06:18
    0
    The equation asks for radius, therefore, take half of 28 (diameter), which is 14.

    Substitute 14 into the equation.

    C = 2 (pi) (14)

    C = 87.96

    Your answer is C!
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