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Find the diameter of the cone with the help of the volume being 3.6 in.^3 and the height being 4.2 inches

Find the diameter of the cone with the help of the volume being 3.6 in.^3 and the-example-1
User Eleen
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1 Answer

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\bf 3.6=\cfrac{\pi r^2\cdot 4.2}{3}\implies \sqrt{\cfrac{3}{4.2\pi }\cdot 3.6}=r

and the diameter is twice that much
User Slavatron
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