A pyramid could be constructed from 4 or more triangles.
There can be no closed 3D shape with only one square and 3 triangles.
Well, any shape with a triangular face. I assume that you mean a shape that only has (identical) triangles for faces. There are 2: the tetrahedron with 4 triangles, and the icosahedron with 20 triangles. * * * * * What about a triangular dipyramid? Two triangular pyramids stuck together along one face?
pyramid
how many triangles are in a eight sided figure
The three-dimensional shape consisting of 4 triangles is called a pyramid, or a triangular prism.
A pyramid could be constructed from 4 or more triangles.
There can be no closed 3D shape with only one square and 3 triangles.
A tetrahedron has four equilateral triangles as sides
A Triangular Pyramid has 4 triangles and 1 square.
Well, any shape with a triangular face. I assume that you mean a shape that only has (identical) triangles for faces. There are 2: the tetrahedron with 4 triangles, and the icosahedron with 20 triangles. * * * * * What about a triangular dipyramid? Two triangular pyramids stuck together along one face?
It doesn't exist. The least number of sides for a 3-D shape only made of triangles is 4.
pyramid
how many triangles are in a eight sided figure
A tetrahedron; a shape made of four triangles.
There is no 3D shape with 6 faces: 4 rectangles and 2 triangles. See the link for all forms of hexahedra.
a square based pyramid.