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Take a semi-circular paper with radius 7...

Take a semi-circular paper with radius 7 cm and make it a cone. Find the C.S.A. of the cone.

Text Solution

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The correct Answer is:
`154 sq. cm`
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Knowledge Check

  • The curved surface area of a right circular cylinder of height 7 cm is 176 cm^(2) . Find the radius of the cylinder.

    A
    6 cm
    B
    4 cm
    C
    2 cm
    D
    3 cm

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