[DOC] [TLE] Tetrahedron - Wikipedia [PAR] In geometry, a tetrahedron (plural: tetrahedra or tetrahedrons) is a polyhedron 
composed of ... In the case of a tetrahedron the base is a triangle (any of the four 
faces can ... In a regular tetrahedron, not only are all its faces the same size and 
shape (congruent) but so are all its vertices and edges. ..... Tetrahedron name, 
Edge [DOC] [TLE] Pyramid (geometry) - Wikipedia [PAR] In geometry, a pyramid is a polyhedron formed by connecting a polygonal base 
and a point, called the apex. Each base edge and apex form a triangle, called a 
lateral face. It is a conic solid with polygonal base. A pyramid with an n-sided 
base will have n + 1 vertices, n + 1 faces, and 2n ... A right pyramid with a regular 
base has isosceles triangle sides, with... [DOC] [TLE] Icosahedron - Wikipedia [PAR] In geometry, an icosahedron is a polyhedron with 20 faces. The name comes 
from Greek ... Like the convex form, it also has 20 equilateral triangle faces, but its 
vertex figure is a pentagram rather than a .... This construction is called a snub 
tetrahedron in its regular icosahedron form, generated by the same operations... [DOC] [TLE] Polyhedron - Wikipedia [PAR] In elementary geometry, a polyhedron (plural polyhedra or polyhedrons) is a 
solid in three dimensions with flat polygonal faces, straight edges and sharp 
corners or vertices. The word polyhedron comes from the Classical Greek 
, as poly- ... A polyhedron is said to be convex if its surface (
comprising its faces, edges... [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 ... The #1 tool for creating Demonstrations and anything 
technical. [DOC] [TLE] Regular Tetrahedron -- from Wolfram MathWorld [PAR] Since a tetrahedron is a pyramid with a triangular base, V=1/3A_bh , giving ... 
The tetrahedron is its own dual polyhedron, and therefore the centers of the faces 
of a ... Ch. 19 in The Sixth Book of Mathematical Games from Scientific American. [DOC] [TLE] Names of Geometric ShapesWith Pictures | Owlcation [PAR] Aug 29, 2016 ... It gets its name from the shape of sports fields. .... Torus A torus is the technical 
mathematical term for a doughnut or bagel shape. ... Square Pyramid A pyramid 
with a square base and four triangular faces that meet at a point... [DOC] [TLE] Three-Dimensional Shapes | SkillsYouNeed [PAR] First Name * ... Tetrahedron with four equilateral triangle faces. ... If you cut a 
prism anywhere along its length, parallel to an end, its cross-section is the same
... [DOC] [TLE] Types of Dice by Number of Sides | HobbyLark [PAR] Sep 19, 2016 ... Various polyhedral dice: cube, tetrahedron, dodecahedron, ... When a 4-sided 
die is thrown and lands on one of its flat faces, what ... The faces of an 
octahedron are eqilateral triangles that meet four to a corner. ... These can also 
be used as calendar dice, with the faces labeled with the names of the month. [DOC] [TLE] How many edges does a triangular pyramid have? | Reference.com [PAR] Another name for a triangular pyramid is a tetrahedron.... ... It has four edges on 
its square base and four edges along the four triangles that make up its sides. [DOC] [TLE] Triangular Based Pyramid Facts For Kids | DK Find Out [PAR] A triangle-based pyramid has four triangular sides. The base can be any shape 
or size of triangle but usually it is an equilateral triangle (all sides are the same). [DOC] [TLE] What is a 3-D triangle called? | Reference.com [PAR] A three-dimensional shape that is made up of four triangles is called a 
tetrahedron. If it is a regular tetrahedron, then it contains four equilateral triangles 
as its faces. A regular ... Another name for a compound shape is a... Full Answer 
>. [DOC] [TLE] Spinning Triangular Pyramid - Math is Fun [PAR] Triangular Pyramid. Go to Surface Area or Volume

Question: It's the technical name for a tetrahedron with triangular sides
Answer: a pyramid