A solid cube of side 7 cm is melted to make a cone of height 5 cm, find the
radius of the base of the cone.

By Rose

A solid cube of side 7 cm is melted to make a cone of height 5 cm, find the
radius of the base of the cone.

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Rose

2 thoughts on “A solid cube of side 7 cm is melted to make a cone of height 5 cm, find the<br /> radius of the base of the cone.”

  1. Step-by-step explanation:

    Side of cube=7cm

    Height of cone=9cm

    Let the radius of base of cone be\quad ‘b’ cm

    Now, volume of cube=volume of cone

    (7)^3=3/1×22/7×r^2×5

    r^2=(343×3×7)/110=65.48

    r= √(65.48) =8.09cm

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