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Mathematics 55 Online
OpenStudy (anonymous):

The volume of a cone varies jointly as the height and the square of the radius of the base. A cone height 8 cm and a base of diameter 9 cm has volume 54π. Find the constant of variation and use it to develop the general formula for the volume of a cone.

OpenStudy (anonymous):

V = 1/3*H*πr^2 V is the volume of the cone, H is the height of the cone, r is the radius of the base.

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