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    Question

    The radius of the base of a cone is 6 cm, and its slant

    height is 10 cm. What is the surface area of the cone?
    A 180 cmยฒ Correct Answer Incorrect Answer
    B 190 cmยฒ Correct Answer Incorrect Answer
    C 301.44 cmยฒ Correct Answer Incorrect Answer
    D 342.67 cmยฒ Correct Answer Incorrect Answer

    Solution

    The surface area of a cone is given by the formula: Surface Area = ฯ€r(r + l) Substitute the values: Surface Area = 3.14 ร— 6 ร— (6 + 10) = 3.14 ร— 6 ร— 16 = 3.14 ร— 96 = 301.44 cmยฒ Correct Option: c

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