How to make a triangular speed pyramid of different average speeds
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To see a pyramid in real life, just think about the Great Pyramids of Egypt. A pyramid is a three dimensional shape that has a polygon as its bottom and triangles as its sides, all meeting at a common point. The triangular sides are called faces, and the bottom polygon is called the base of the pyramid. The number of sides the base polygon of a pyramid has is equal to the number of triangular faces on the pyramid. The common point where all the triangular faces meet is called the apex.
A pyramid can have any polygon as a base. We are going to concentrate on when that base is a triangle. A pyramid with a triangle as a base is a triangular pyramid. Since the base is a triangle and a triangle has three sides, a triangular pyramid has three triangular faces. Triangular pyramids show up in architecture, art, design, and other areas.