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Surface Areas and Volumes Test - 10

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Surface Areas and Volumes Test - 10
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  • Question 1
    1 / -0

    The CSA of the frustum of a cone is given by

    Solution

    The CSA of the frustum of a cone is given by πl (r1 + r2) sq. units

    , where l = slant height of the frustum

    r1 = Radius of smaller circle

    r2 = Radius of bigger circle

  • Question 2
    1 / -0

    The volume of the frustum of a cone is given by

    Solution

    The volume of the frustum of a cone is given by 13πh (r12 + r22 + r1r2) cmwhere r1, r2 are the radii (in cm) of smaller and bigger ends of the frustum and  h is the height (in cm) of the frustum 

  • Question 3
    1 / -0

    Frustum is a _______ word

    Solution

    Frustum is a Latin word, which means piece or bit.

  • Question 4
    1 / -0

    The slant height of the frustum of a cone is given by

    Solution

    The slant height of the frustum of a cone is given by √h2 + (R − r)2

    Where,h = height of frustum

    R = Radius of bigger end 

    and r = Radius of smaller end

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