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Find the curved surface area of a right circular cone whose slant height is 10 cm and base radius is 7 cm.

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An Important Question of class 10 Based on Mensuration Chapter of M.L Aggarwal for ICSE BOARD.
Here you have to find the curved surface area of a right circular cone whose slant height and base radius is given. Give the solution of the question briefly.
This is the Question Number 02, Exercise 17.2 of M.L Aggarwal.

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1 Answer

  1. Given slant height of the cone, l = 10 cm

    Base radius, r = 7 cm

    Curved surface area of the cone = rl

    = (22/7)×7×10 = 220 cm2

    Hence the curved surface area of the cone is 220 cm2.

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