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A right circular cone of same radius is ...

A right circular cone of same radius is made by melting a right circular cylindrical piece of metal of radius 2 metre and height 3.5 metre . Find the height of the cone .

Text Solution

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The correct Answer is:
`10.5` metre
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Knowledge Check

  • A right circular cylnder of same radius is made by melting a right melting a rightcirucular cone. If height of the culinder be 5 cm, then the height of cone will be

    A
    10 cm
    B
    15 cm
    C
    18 cm
    D
    24 cm

  • If a sphere is made by melting a solid right circular cylinder of radus 2x cm and height x cm , then the radius of the sphere will be

    A
    ` root 3 (3x) ` cm
    B
    ` root 3 (3x) ` cm
    C
    x cm
    D
    2x cm

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    By melting a sphere of radius r cm, if a right circular cylinder of same base radius made, then the height of the cylinder is r cm.

    The total surface area of a solid hemisphere is 1848 sq. cm. A solid right circular cone is made by melting this hemisphere. If the radius of base of the cone is equal to the radius of the hemisphere , then what will be the height of the cone ?

    The lower part of a radius tent is a right circular cylinder and its upper part is a right circular cone . If the diameter of base of the tent be 105 metre , the height of the cylindrical part is 3 metre and the slant height of the conical part be 53 metre , then what quantity of canvas will be needed to make the tent ?

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