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A cone has a volume of 942 in.³ and a height of 9 inches what is the radius of the cone use 3.14 for pie

Sagot :

Hrishii

Answer:

r = 51.96 inches

Step-by-step explanation:

[tex]V_{cone} = \pi {r}^{2} h \\ \\ \implies \: r^{2} = \frac{V_{cone}}{\pi h } \\ \\ \implies \: r^{2} = \frac{942}{3.14 {(9) } }\\ \\ \implies \: r^{2} = \frac{942}{3.14 {(9) } } \\ \\ \implies \: r^{2} =2700 \\ \\ \implies \: r= \sqrt{2700} \\ \\ \implies \: r=51.96 \: inches[/tex]

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