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14 July, 01:28

The cone shown below has a slant height of 15 centimeters and a height of 12 centimeters. What is the radius of the cone.

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  1. 14 July, 01:49
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    The answer to your question is 9 cm

    Step-by-step explanation:

    Data

    slant height = 15 cm

    height = 12 cm

    radius = ?

    Process

    To solve this problem, use the Pythagorean theorem. The slant height is the hypotenuse, the height is the long leg and the radius is the short leg.

    c² = a² + b²

    slant height² = height² + radius²

    -Solve for radius

    radius² = slant height² - height²

    -Substitution

    radius² = 15² - 12²

    -Simplification

    radius² = 225 - 144

    radius² = 81

    -Result

    radius = 9 cm
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