prisms pyramids sphere cylinder
Chat with our AI personalities
Triangular based pyramid with no bottom. That is, if you meant 3-D shapes, presumably?
A cube.
They are alike because they are both 3-D shapes
There are different formulae for different shapes and these vary in complexity.
Icosahedron are 3-D solid shapes with 20 triangualr faces. They are used as dice is many games, such as Dungeons & Dragons.