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Question 1 of 5

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What is the circumference of a circle with a diameter of 5 feet? Use 3.14 for
dos
O A. 7.85 ft
O B. 15.7ft
O C. 31.4ft
O D. 8.14 ft

1 Answer

2 votes

Formula for the circumference of a circle:

C = πd or C = 2πr

[C = circumference π(pi) d = diameter r = radius(half the diameter)]

You know:

d = 5 feet

and you're using 3.14 for π, so substitute/plug it into the equation

C = πd

C = (3.14)(5)

C = 15.7 feet Your answer is B

User Maxime Schoeni
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