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What is the exact circumference of the circle?

A 10π ft

B 20π ft

C 40π ft

D 60π ft

What is the exact circumference of the circle? A 10π ft B 20π ft C 40π ft D 60π ft-example-1

2 Answers

2 votes
The exact circumstance of the circle is 20pi ft which means the answer is B
User Alvin Quezon
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4.7k points
4 votes

Answer:


\huge\boxed{Answer\hookleftarrow}

Given,

Diameter (d) = 20 ft

Radius (r) = ?


r = (d)/(2) \\ r = (20)/(2) \\ r = 10 \: \: ft

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Now, we've to find the exact circumference (c) ..


c = 2\pi \: r \\ c = 2\pi * 10 \\ c = 20\pi ft

The answer is
\large\bold{20π \ ft (option \ C)}

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User Chars Davy
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