[DOC] [TLE] Tetrahedron - Wikipedia [PAR] The tetrahedron is one kind of pyramid, which is a polyhedron with a flat polygon base and triangular faces connecting the base to a common point. In the case of a tetrahedron the base is a triangle (any of the four faces can be considered the base), so a tetrahedron is also known as a "triangular pyramid". [DOC] [TLE] Pyramid (geometry) - Wikipedia [PAR] In geometry, a pyramid is a polyhedron formed by connecting a polygonal base 
and a point, ... A triangle-based pyramid is more often called a tetrahedron. ... A 
right-angled pyramid has its apex above an edge or vertex of the base. ... The 
square and pentagonal pyramids can also be composed of regular convex 
polygons,... [DOC] [TLE] Solid shapes and their nets - tetrahedron [PAR] Pyramid; Model of a tetrahedron; Game with nets of tetrahedra; Net of a ... The 
mathematical word for a solid shape like these is a polyhedron (poly means 
many). ... A regular tetrahedron has its faces as equilateral triangles, where all 
sides are equal, ... The volume of a pyramid is a third the area of the base times 
the height. [DOC] [TLE] Triangular Based Pyramid Facts For Kids | DK Find Out [PAR] The base can be any shape or size of triangle but usually it is an equilateral 
triangle (all sides are the same). This means the three sides of the pyramid are 
the same size as each other and the pyramid looks the ... A triangle-based 
pyramid with equal sides is called a tetrahedron. ... A pyramid can also have a 
square base. [DOC] [TLE] Square Pyramid -- from Wolfram MathWorld [PAR] If the four triangles of the square pyramid are equilateral, so that all edges of the 
... Consider a hemisphere placed on the base of a square pyramid (having side... [DOC] [TLE] Triangular Pyramid -- from Wolfram MathWorld [PAR] A triangular pyramid is a pyramid having a triangular base. The tetrahedron is a 
triangular pyramid having congruent equilateral triangles for each of its faces. 
The edge length e and slant height s ... is a special case of the triangular pyramid
. SEE ALSO: Pentagonal Pyramid, Pyramid, Square Pyramid, Tetrahedron, 
Triangle. [DOC] [TLE] Three-Dimensional Shapes | SkillsYouNeed [PAR] A three-dimensional solid shape also has depth. ... Tetrahedron with four 
equilateral triangle faces. ... Furthermore, a pyramid can have an apex in the 
direct centre of its base, a Right Pyramid, or can have the apex off centre ... 
Although similar, cylinders are not prisms as a prism has (by definition) 
parallelogram, flat sides. [DOC] [TLE] geometry - How many faces does the resulting polyhedron have ... [PAR] Nov 6, 2014 ... Also take a square-based pyramid, whose edges are all one ... Glue a face of the 
tetrahedron to a triangular face of the pyramid so that their edges match up. ... Let 
A B C D be the base square of the pyramid, S its tip, and M the ..... The shape 
formed from this line and the closest side of each pyramid is the... [DOC] [TLE] Tetrahedron - Mathematische Basteleien [PAR] If you look at the word tetrahedron (tetrahedron means "with four planes"), you 
could call every pyramid with a triangle as the base a tetrahedron. However the ... 
The heights also are medians and intersect with the ratio 2:1. That is used in the... [DOC] [TLE] How many edges does a tetrahedron have? | Reference.com [PAR] Although each of the four sides of a tetrahedron has three edges, the shape does 
not have 12 ... This figure can also be referred to as a triangular pyramid. [DOC] [TLE] What is a triangular pyramid? | Reference.com [PAR] A triangular pyramid is a pyramid that has a triangular base. ... the triangles are 
identical equilateral triangles, then it is a regular tetrahedron. ... shape of its 
polygonal base; for example, if the base of a pyramid is a square, ... You May 
Also Like. [DOC] [TLE] Platonic Solids and Plato's Theory of Everything - MathPages [PAR] It's uncertain who

Question: If a pyramid is also a tetrahedron it means its base is in this shape
Answer: a triangle