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23-04-2016
Mathematics

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The volume of the cone is 294.38 cm the radius of the base is 7.5 cm which one of the following could be the height of the cone?
A. 4cm
B. 5cm
C. 6cm
D. 7cm

Respuesta :

stuarthull123 stuarthull123

23-04-2016

The volume of a cone is 1/3 pi*r^2 * h. Rearranging for height gives h = 3v / pi*r^2 = (3*294.38) / (3.14*7.5^2) = 5.00 (answer B)

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