What is the approximate circumference of a circle with a radius of 40 inches? Use π ≈ 3.14. A. 125.6 inches B. 251.2 inches C. 502.4 inches D. 5024 inches

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asked Aug 7, 2016 2.2k views

2 votes

What is the approximate circumference of a circle with a radius of 40 inches? Use π ≈ 3.14. A. 125.6 inches B. 251.2 inches C. 502.4 inches D. 5024 inches

Physics
high-school

Nick Banks asked

by Nick Banks

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2 Answers

5 votes

Formula= C=
2πr

, π≈3.14
Plug the numbers into formula and you get
40*2*3.14

The answer is B.251.2 in

Sinisa Rudan answered Aug 9, 2016

by Sinisa Rudan

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2 votes

the approximate circumference is B.251.2
c=2πr

Salamey answered Aug 11, 2016

by Salamey

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