A Pentagonal Pyramid. A pentagon (2D) has 5 vertices When you turn it into a pyramid it has 5 more. 5+5 is 10.
Chat with our AI personalities
Triangular prism. 9 faces, six vertices, and nine edges right?
Triangular pyramid.
It is a triangular prism.
Triangular prism
A TETRAHEDRON has four congruent triangular faces four vertices six edges. "Tetra" means "four" in Greek "Hedron" means "sided"