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A pyramid is a generic term and can have any number (>3) of plane faces. A triangular pyramid has 4 faces, a rectangular one has 5, and so on. A pyramid whose base has n sides has n+1 faces.
Yes
No. Pyramids are three-dimensional, and hence cannot be drawn within a single plane.
A pyramid, as well as any other solid figure bounded by plane polygons or faces, is a polyhedron.
It depends on the pyramid. If it is a square based pyramid, a horizontal plane will give a square cross section, a plane inclined by a rotation parallel to one of the base axes will give a rectangular cross section whereas a plane inclined by rotation along both basal axes will result in a parallelogram cross section. Not sure how you get a parallelogram from a pentagonal or hexagonal (etc) pyramid.
ACD
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A pyramid is a generic term and can have any number (>3) of plane faces. A triangular pyramid has 4 faces, a rectangular one has 5, and so on. A pyramid whose base has n sides has n+1 faces.
the base, plane, or bottom
triangle
Yes
Yes, it can. A plane can contain any number of points of a line.
No. Pyramids are three-dimensional, and hence cannot be drawn within a single plane.
A pyramid, as well as any other solid figure bounded by plane polygons or faces, is a polyhedron.
It depends on the pyramid. If it is a square based pyramid, a horizontal plane will give a square cross section, a plane inclined by a rotation parallel to one of the base axes will give a rectangular cross section whereas a plane inclined by rotation along both basal axes will result in a parallelogram cross section. Not sure how you get a parallelogram from a pentagonal or hexagonal (etc) pyramid.
A triangular pyramid has 5 planes. * * * * * In fact, a triangular pyramid is also known as a tetrahedron and as its name suggests, it has 4 plane faces.
well to make a pyramid Egyptians had to use an inclined plane and role a huge stone up the inclined plane, the Egyptians would continue this concept until they reached the top stone.