How many edges does a prism have? A rectangular prism has 6 faces, 8 vertices (or corners) and12 edges. What is the formula of octahedral? An octahedron has 6 vertices and at each vertex 4 edges meet. An octahedron has 8 faces shaped like an equilateral triangle, in the case of a ...
The hexahedron (cube) has four faces. The octahedron has five faces. The dodecahedron has 12 faces. The icosahedron has 20 faces. All platonic solids are regular, meaning they have equal sides and angles, and each one has an equal amount of sides meeting at every vertex. Each polygonal sid...