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Area of Composite Figures What is the area of the street sign? A triangular street sign has a base of 3 m and a height of 2 m. Equations Triangle: Area = (b X h) ÷ 2 Rectangle: A = b X h Parallelogram: A = b X h 2m 3m 3 square metres 6 sq m 12 sq m 3 sq cm The area of the rectangle is 4m 6m 5m 30 sq cm 24 sq cm 24 sq m 12 sq m The height of the triangle is 8cm 4cm 6.5cm 7cm 8cm 6.5m 7cm 6.5cm The total area of the two shapes together is 48 sq cm 30 sq cm 63sq cm 42 sq cm 7cm 5cm 8cm 6cm The base is 9m 12m 8m 12m 8m 9m 6.5 sq metres is the same as: 65000 sq m 6500 sq cm 650000 sq cm 65000 sq cm 5 sq m = 50000 sq m 500 sq cm 50000 sq cm 5000 sq cm Total Area Fill in the area of each shape and the total area. 8miles What is the area of this composite figure? 30 miles2 24 miles2 28 miles2 40 miles2 4m How many triangles can fit into the rectangle? 6m 2m 24m 12 18 24 16 |