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MC-2A Help on 9.27

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Re: MC-2A Help on 9.27
by David Reynoso - Monday, November 12, 2018, 1:59 PM

Think of the sphere that is inscribed in the conic frustrum as a ball stuck in a cone.

You'd see that the sphere is touching the frustrum at one point on the bottom base, one point on the top base, and around a circle on the "side". Your goal is to find the radius of this circle.

A side view diagram of the frustrum might help: