A TRIANGLE based PYRAMID is called a tetrahedron.
a triangular based pyramid
A pyramid with a triangular base is a tetrahedron
A triangle if it is a triangular based pyramid
octagonal based pyramid
A tetrahedron.
A TRIANGLE based PYRAMID is called a tetrahedron.
No. A 3D triangle would be a triangular based pyramid.
a triangular based pyramid
a triangle- based pyramid has 4 faces
A pyramid with a triangular base is a tetrahedron
A triangle if it is a triangular based pyramid
A triangle based pyramid has 6, a square based pyramid has 8.
there base are a triangle
four
No. A triangular pyramid describes a triangle whose base is a triangle (not just the sides which define it as a pyramid), whereas a rectangular pyramid is one whose base is a rectangle. A triangle and a rectangle are not the same (a triangle is not a rectangle, and a rectangle is not a triangle), so it would be incorrect to refer to a triangle-based pyramid as a rectangle pyramid.
octagonal based pyramid