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Four - including the base.
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That is if it is a tetrahedron. A pyramid is a generic term used to describe a polyhedron with a polygonal base and a number of triangles rising from that base to meet at an apex. A pyramid whose base is a polygon with n-sides (or vertices) has n+1 faces, n+1 vertices and 2n edges, where n ≥ 3.
So, for example, a pentagon based pyramid would have 5 triangles, an octagon based one would have 8.
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How many faces has an triangular based pyramid got?
A triangular based pyramid has 4 sides. 3 triangle sides and 1 Square base
What is a 3d triangle?
it is a 3 dimentional triangle ... it can be a pyramid with 5 sides ... or one with four sides
Is a triangle and a pyramid same?
No. A triangle can be a two-dimensional object whereas a pyramid must be three-dimensional (with sides that are sloped).
A triangle with 5 sides is a what?
A triangle with five sides is a pyramid. There are four sides that originate from each of the four edges of the bottom square, which is the fifth side.
How many sides does a 3d triangle have?
If you're talking about a pyramid - it has either four or five sides (including the base) depending on how it's constructed.
