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andre [41]
3 years ago
10

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

Mathematics
1 answer:
KiRa [710]3 years ago
5 0

Answer: 21 = 2\pi r

Step-by-step 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.

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