👉 Learn how to find the volume and the surface area of a prism. A prism is a 3-dimensional object having congruent polygons ...

Area is the amount of space taken up by a 2D shape. When you want to measure the space on a wall, floor or a piece of paper, you are measuring area. Area can be measured in square centimetres (cm²) ...

The net of a 3D shape is what a shape looks like when opened into a 2D shape. The net can help to show the areas of each face that make up the surface area of a shape. The same units are needed for ...