Area is the amount of space taken up by a flat shape and is calculated by counting the square units inside it; almost like the tiles on a floor. For example, if we can repeatedly fit a square with 1cm ...
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 ...
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