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A polyhedron is a 3-dimensional object comprising a space enclosed by a number of polygons. In general, these polygons are called faces: in some polyhedra they are also called bases. They may or may not be triangular. A pentagonal prism, for example, has no triangle face and so no triangular base.
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What is a polyhedron that has a base of a triangle?
Tetrahedron
What polyhedron has a base of a triangle?
A tetrahedron, a triangle based pyramid, an octahedron, an icosahedron plus many more.
What is a polyhedron with 4 equilateral triangle faces?
Tetrahedron - a pyramid with a triangular base.
What is the regular polyhedron?
A regular polyhedron has equal size faces as in the case of a tetrahedron which is a triangular base pyramid that has 4 equilateral triangle faces.
Is a triangle a polyhedron?
NO!!! A triangle is a 2-dimensional shape of three sides; archaically a 'trigon'. A polyhedron is a 3-dimensional solid of many sides.
What polyhedron have a polygon for a base and triangle sides with a common vertex?
A pyramid seems to fit the description.
What polyhedron that 8 faces and the faces shape is equilateral triangle?
The answer is a polyhedron
Which polyhedron is composed of triangle and rectangles only?
it is a triangle prism
One face of a polyhedron is a triangle what are two types of polyhedron?
square and hexagon
Is an isosceles triangle a polyhedron?
Yes
Is the base on a polyhedron considered a face?
Yes. A base on a polyhedron is a face and a base on a polygon is a side.
When one of the faces of a polyhedron is a triangle?
pyramid
