**1. What is a vertex of a solid object ?**

Avertexusually refers to acornerof a solid such as a cuboid.

**2. What is the difference between a cube and a cuboid?**

A

cubehas all of its sides equal. Acuboidcan have sides of three different lengths.Typical examples would be:

Cube − a sugar cube

Cuboid − a shoe box

**3. What is the difference between a cuboid and a prism?**

A

prismis a solid object with the same shape or cross-section all the way through.The cross-section can be any shape e.g. A triangle or a circle.A

cuboidis a prismwith a rectangular cross-section. e.g. A cardboard box at the supermarket.