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March 29, 2017

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An equilateral triangle of side 14 centimeters is revolved about an altitude to form a cone. What is the number of cubic centimeters in the volume of the cone? Express your answer to the nearest whole number, without units.

I really need help on this. I want the answer. Thanks!

  • ADVANCED AMC8 GEOMETRY QUESTION/MATH - ,

    the triangle has height 7√3/2
    the cone base has a radius of 7

    v = 1/3 pi r^2 h
    plug and chug

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