Triangular Pyramid
It has 20 identical equilateral triangular faces.
The regular solid, with 20 identical equilateral triangular faces, is called an icosahedron.
It_is_a_triangular_prism.">It_is_a_triangular_prism.">It is a triangular prism.* * * * *While a triangular prism can have equilateral triangle faces, it has more faces that are quadrilateral (or rectangular).A polyhedron with only equilateral triangular faces could be a tetrahedron, an octahedron in the form of a square based dipyramid, or an icosahedron.
A tetrahydron is a triangular pyramid having congruent equilateral triangles for each of its faces.
An equilateral triangular pyramid
The minimum numbers of congruent faces are as follows: On an equilateral triangular prism: one pair of triangles On a right equilateral triangular prism: one pair of triangles and one triplet of rectangles.
An right equilateral triangular prism.
It is a triangular based pyramid
That object would be called a triangular pyramid, also known as a tetrahedron.
A triangular based pyramid with 4 equilateral triangle faces is a tetrahedron
Yes, triangular prisms have two faces that are equilateral triangles and three faces that are rectangles.