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What is the approximate circumference of a circle with a radius of 20 inches? Use π ≈ 3.14. A. 125.6 inches B. 62.8 inches C. 251.2 inches D. 120 inches

What is the approximate circumference of a circle with a radius of 20 inches? Use π ≈ 3.14. A. 125.6 inches B. 62.8 inches C. 251.2 inches D. 120 inches
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2 votes
What is the approximate circumference of a circle with a radius of 20 inches? Use π ≈ 3.14.

A.
125.6 inches

B.
62.8 inches

C.
251.2 inches

D.
120 inches

User Andy Copley
by
6.9k points

2 Answers

6 votes
circumference = 2PIr

20*2*3.14 = 40*3.14 = 125.6

The answer is A. 125.6


User Voigtan
by
7.1k points
4 votes
C = (2)(pi)(r)
So in this case, the circumference is 125.6 inches
User Norling
by
8.0k points
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