A caircular fountian has a circumference of 21 feet. Which expression can be used to find the diameter of the fountian in feet?

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Jodian asked Dec 18, 2022

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A caircular fountian has a circumference of 21 feet. Which expression can be used to find the diameter of the fountian in feet?

Mathematics
high-school

Jodian asked Dec 18, 2022

by Jodian

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19 votes

Answer:
$21 = 2\pi r$

Explanation:

To find the circumference of a circle, you can use
$2\pi r$ . You can set this equal to 21 (feet). The equation to solve at this point would be
$21=2\pi r$ .

Franticfrantic answered Dec 25, 2022

by Franticfrantic

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