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What is the best approximation for the circumference of a circle with a radius of 18 ft? Use 3.14 to approximate pi. 21.1 ft 36 ft 56.5 ft 113.04 ft
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4 votes
What is the best approximation for the circumference of a circle with a radius of 18 ft?

Use 3.14 to approximate pi.

21.1 ft

36 ft

56.5 ft

113.04 ft

User Vic Fryzel
by
8.3k points

2 Answers

3 votes
C = 2πrC = 2x18x3.14
C=113.04
answer is 113.04 ft(last choice)

User Naman
by
8.2k points
4 votes
Circumference = 2πr = 2 x 18 x π = 36π = 36 x 3.14 = 113.04 ft.

Hope this helps!
User Morteza Jalambadani
by
7.8k points
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