A square-based pyramid
pyramid
triangular prism
A pyramid - it has a square base, and four triangles meeting to a point at the top.
triangular prism
tetrahedron
pyramid
pyramid
triangular prism
A triangular prism, where the two ends are triangles.
A pyramid - it has a square base, and four triangles meeting to a point at the top.
triangular prism
tetrahedron
An octahedron can have faces which are triangles, quadrilaterals, pentagons, hexagons or heptagons,
An Icosahedron.
Triangular prism
An octahedron
triangular prisom