A pyramid built using three spheres for the base, all touching one another, and having a fourth sphere placed on top, touching all three of the other spheres. Of the radius of each sphere is 5cm, find the height of the pyramid. Please help!
A pyramid built using three spheres for the base, all touching one another, and having a fourth sphere placed on top, touching all three of the other spheres. Of the radius of each sphere is 5cm, find the height of the pyramid. Please help!
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