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Circles and PiCone Volume

Volume of a Cone

We previously found the volume of a cylinder by approximating it using a prism. Similarly, we can find the volume of a cone by approximating it using a pyramid

A pyramid is a polyhedron that has a polygon as base, and triangular faces around the outside, that taper to a vertex.

In a right regular pyramid, the base is a regular polygon and the vertex is directly above the center of the base.

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Here you can see a

5
-sided pyramid. As the number of sides increases, the pyramid starts to look more and more like a cone. In fact, we could think of a cone as a pyramid with infinitely many sides!

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