The description given fits that of a pyramid
a trangular pramid
trangular pirimad i think
cube, rectangular prism, square pyramid, trangular, trangular prism
A trangular prism:)
rectangle
A Pyramid is a 7 lettered 3D shape with triangular faces.
A trangular based pyramid has 4 faces, 6 edges and 4 vertices
A triangular prism has 5 faces, 9 edges and 6 vertices
It has 6 vertices, 9 edges and 5 faces
It has 3 more triangular faces than square faces
A square pyramid has 5 faces. It has 1 square face and 4 triangle faces.
Triangles for a triangular prism. Not sure about trangular prism, though.