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2 December, 20:06

A cone with height 8 and radius 2 is sliced halfway along its height by a plane that is parallel to the base of the cone. What is the radius of the circle at the intersection of the plane and the cone?

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  1. 2 December, 20:45
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    Step-by-step explanation:

    The cone is sliced by a plane, which produces a smaller cone on top. This cone is similar to the original cone. Therefore:

    R / H = r / h

    2 / 8 = r / 4

    r = 1
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