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# Which estimate best approximates the volume of the pile of gravel?

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A cone-shaped pile of gravel has a diameter of 30 m and a height of 9.1 m.

Which estimate best approximates the volume of the pile of gravel?

A. 2120 m³

B. 2600 m³

C. 6360 m³

D. 8480 m³

Apr 1, 2019

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$$V=\dfrac{\pi r^2 h}{3}\\ h=9.1m\\ r = \dfrac{30}{2}=15m$$

you can plug and chug the numbers

Apr 1, 2019