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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.?<…

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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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.?

User Franca
by
7.8k points

2 Answers

7 votes
The answer my friend is b
User Joe Sager
by
8.8k points
4 votes
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!
User Jdi
by
8.4k points
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