A cross section of apyramid it s okay smaller and smaller as you move toward the optimal point. If the plane making the cross section is parallel to the base, every cross ar will look choose the base, only smaller. So, if you have actually a triangular pyramid, it will be a triangle.
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A triangular pyramid is sometimes referred to as a tetrahedron, that is the just self-dual platonic solid. A rectangular pyramid is (the height or bottom) half of one octahedron...which itself is the twin of a cube!
In geometry, a pyramid is a polyhedron created by connecting a polygonal base and a point, referred to as the apex. Every base edge and apex form a triangle, called a lateral face.
In geometry, a tetrahedron (plural: tetrahedra or tetrahedrons) is a polyhedron created of 4 triangular faces, three of which satisfy at each corner or vertex.
So, a rectangle-shaped pyramid isn"t dubbed a tetrahedron, a triangular pyramid is, right? PLZ comment, it has actually been a most years since I studied this.
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