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Katen [24]
3 years ago
8

A circular rug has a radius of 4.5 feet.What is the circumstance of the rug ? use 3.14

Mathematics
1 answer:
devlian [24]3 years ago
3 0

circumference =  2*pi * r

                         =2* 3.14 * 4.5

                         =3.14 * 9

                       = 28.26 ft

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Answer:

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Step-by-step explanation:

The volume for a cylinder is V=πr^2h therefore,

v = 2279.64

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r = ?

2279.64 = πr^2 * 11

\frac{2279.64}{11}= {\pi r^2} \\

207.24 = πr^2

\frac{207.24}{\pi} =r^2\\\\66 = r^2\\\\\sqrt{66} = r\\\\\\8.12 = r

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