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    Question

    A cone has a radius of 5 cm and a slant height of 13 cm.

    Find the total surface area of the cone.[Take ╧А = 3.14 ]
    A 150.5 cm┬▓ Correct Answer Incorrect Answer
    B 282.6 cm┬▓ Correct Answer Incorrect Answer
    C 250.6 cm┬▓ Correct Answer Incorrect Answer
    D 300.5 cm┬▓ Correct Answer Incorrect Answer

    Solution

    To find the total surface area of a cone, we use the formula: Total┬аSurface┬аArea = ╧Аr(r+l) where: r = 5 cm (radius), l = 13 cm (slant height), ╧А = 3.14.

    Total┬аSurface┬аArea = 3.14├Ч5├Ч(5+13) = 3.14├Ч5├Ч18 = 3.14├Ч90 = 282.6┬аcm┬▓┬а

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