help!?!?!?
Find the volume of a cone with a diameter of 9 inches and a height that is 5 times the radius. Use 3.14 for pi and round your answer to the nearest hundredth.

47.1 in3

78.51in3

476.89 in3

1430.66 in3

Question

help!?!?!?
Find the volume of a cone with a diameter of 9 inches and a height that is 5 times the radius. Use 3.14 for pi and round your answer to the nearest hundredth.

 47.1 in3

 78.51in3

 476.89 in3

 1430.66 in3

anonymous · Answer

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anonymous · Answer

replace all into the formula, you can get the answer

anonymous · Answer

1 over 3   (πr2)(h)
1 over 3 * 4.5 ^2*22.5
= 151.875

anonymous · Answer

@OOOPS  
1 over 3   (πr2)(h)
1 over 3 * 4.5 ^2*22.5
= 151.875

anonymous · Answer

you have to find out r first because you don't have it. You have diameter, so radius = 1/2 diameter .

anonymous · Answer

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