geometry

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can someone help me please on this question:

What is the diameter of a cone with height 8 m and volume 150 m3 ?

  • geometry -

    V = pi*r^2*h

    V = 150 m^3
    h = 8 m

    150 = pi*r^2*8

    Solve for r (the radius) then multiply by 2 to obtain the diameter.

  • geometry -

    Only, this is a cone, not a cylinder.

    V = 1/3 pi r^2 h

  • Geometry -

    The answer is 15m

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