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Worksheet 69: Area of composite shapes (Learning Number ...

Worksheet 69 Area of composite shapes To find areas of composite shapes with straight edges: split the shape into rectangles and triangles; find the areas of the individual bits; add or deduct the areas to get the total area. We use formulae to calculate area. If a rectangle measures 5m by 3m, its area is 5 x 3 = 15 m2 (square metres). If a square is 12 mm along each side, its area is 12 x 12 ...