Equilateral triangles
Equilateral triangles
They are both 3 dimensional shapes with faces that are polygons.
A polyhedron is closed a 3-dimensional figure whose faces are all polygons. The prefix "octa-" refers to eight and an octahedron is a polyhedron with 8 faces.
Equilateral triangles
Triangle (tetrahedron, octahedron, icosahedron) Square (cube) Pentagon (dodecahedron)
a octahedron has 8 faces
A truncated octahedron has 14 faces.
An octahedron has 8 sides.An octahedron is a polyhedron with eight plane faces.
An octahedron has eight faces. If it has 62 faces then it is not an octahedron!
The polygons are the equilateral triangle, the square, and the regular pentagon. The faces of these platonic solids are made from the following polygons: tetrahedron - 4 triangles cube - 6 squares octahedron - 8 triangles dodecahedron - 12 pentagons icosahedron - 20 triangles
pentagons
an octahedron