The total area of a compound shape is found by adding up the areas of the rectangles that have created the whole shape. This may be done in more than one way. The calculation may use a subtraction of ...
Sometimes shapes can be more complicated. Be particularly careful to add up the lengths of every side when you work out the total perimeter. Perimeter \(= 2 + 2 + 3 + 3 + 5 + 5 = 20~cm\) In some cases ...
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