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If the areas of circular bases of a f...

If the areas of circular bases of a frustum of a cone are `4\ c m^2` and `9\ c m^2` respectively and the height of the frustum is 12 cm. What is the volume of the frustum?

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Knowledge Check

  • The radii of the ends of a frustum of a cone 40 cm high are 38 cm and 8 cm. The slant height of the frustum of cone is

    A
    50 cm
    B
    `10sqrt7 cm `
    C
    `60.96 cm `
    D
    `4 sqrt2`

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