A triangular prism has 9 edges.
a rectangular based pyramid has got 6 edges and four faces and four vertices.
12 faces * * * * * Correct as far as it goes, but incomplete. 20 vertices 30 edges
a hexagon has one face and 6 edges a hexagonal pyramid has 7 faces a hexagonal prism has 8 faces
An octahedron has8 faces, 12 to 18 edges and 6 to 12 edges.
6
A triangular prism has 9 edges.
Yep, you got it!
a rectangular based pyramid has got 6 edges and four faces and four vertices.
Pentagonal (not pentaginal). 7 faces 15 edges 10 vertices
A prism with an n-sided base will have 2n vertices, n + 2 faces, and 3n edges.
A prism with an n-sided base will have 2n vertices, n + 2 faces, and 3n edges.
12 faces * * * * * Correct as far as it goes, but incomplete. 20 vertices 30 edges
8(top)+8(bottom)+8(sides)=24 24 edges(sides)
Triangular prism
a hexagon has one face and 6 edges a hexagonal pyramid has 7 faces a hexagonal prism has 8 faces
you got it, a cube. it is not a hexahedron because that could be two 3-point pyramids on end. It isn't a rectangular prism either because a prism isn't always square on all sides