Composite 3D solids can be created from simple 3D solids. Total volume of the salt shaker = volume of cylinder + volume of hemisphere. Volume of cylinder = \( \pi r^2 h = \pi \times 1.5^2 \times 5 ...

A sphere is a perfectly round solid figure. All points on the surface of the shape are the same distance away from the centre – we call this distance the radius. The formula for the volume and ...