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22 January, 19:21

Find the volume of a right circular cone that has a height of 12.4 in and a base with a diameter of 15.6 in. Round your answer to the nearest tenth of a cubic inch.

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  1. 22 January, 19:35
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    r = d/2

    r = 15.6/2

    r = 7.8 in.

    thus the radius of the right circular cone is 7.8

    v = 1/3 (3.14) (7.8) ^2 (12.4)

    v = 1/3 (3.14) (60.84) (12.4)

    v = 2368.866/3

    v = 789.622

    thus the volume of the right come is 789.622 cubic inches
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