ADVANCED AMC8 GEOMETRY QUESTION/MATH
posted by mathemagiacian .
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!

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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