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how many faces does a triangular pyramid have

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Question:i belive a triangular prism has 5 faces

Answers:you're right, 5. :) http://www.korthalsaltes.com/foto/triangular_prism_rightangel.jpg http://ritter.tea.state.tx.us/student.assessment/resources/online/2006/grade10/math/images/25graphicaa.gif

Question:

Answers:Two long trapezoids; two triangles (Equilateral?); a rectangular base So 5 faces

Question:

Answers:4 A triangular pyramid is a pyramid that is triangular on all sides... it does not have a square base. See the image in the source, and count the vertices.

Question:

Answers:A tetrahedron (plural: tetrahedra) is a polyhedron composed of four triangular faces, three of which meet at each vertex. A regular tetrahedron is one in which the four triangles are regular, or "equilateral," and is one of the Platonic solids. The tetrahedron is one kind of pyramid; the second most common type. Other pyramids have a flat base, and triangular faces above it, but the base can be of any polygonal shape, not just square or triangular. ---------------------------------------------------------- So your question depends on the shape of the base of the pyramid. In the case of a triangular base, there are four faces (including the base as a face), four vertices, and 6 edges. For a square base pyramid, there are four faces (I didn't include the base as a face), 5 vertices, and 8 edges.