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Areas of Composite Shapes

Areas of Composite Shapes. 2 cm. Area A = ½ x 2 x 3 = ½ x 6 = 3 cm 2. Area C = ½ x 2 x 3 = ½ x 6 = 3 cm 2. 3 cm. A. 5 cm. B. C. 3 cm. 2 cm. Area B = 5 x 6 = 30 cm 2. Total Area = 3 cm 2 + 30 cm 2 + 3 cm 2 = 36 cm 2. 1 cm. 2 cm. 1 cm. Area A = 4 x 4 = 16 cm 2. 1 cm.

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Areas of Composite Shapes

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  1. Areas of Composite Shapes

  2. 2 cm Area A = ½ x 2 x 3 = ½ x 6 = 3 cm2 Area C = ½ x 2 x 3 = ½ x 6 = 3 cm2 3 cm A 5 cm B C 3 cm 2 cm Area B = 5 x 6 = 30 cm2 Total Area = 3 cm2 + 30 cm2 + 3 cm2 = 36 cm2

  3. 1 cm 2 cm 1 cm Area A = 4 x 4 = 16 cm2 1 cm 4 cm 1 cm B C A Area B = 1 x 1 = 1 cm2 Total Area = Area A – Area B – Area C = 16 cm2 – 1 cm2 – 0.5 cm2 =14.5 cm2 Area C = ½ x 1 x 1 = ½ x 1 = 0.5 cm2

  4. Area A = ½ x 6 x 7 = ½ x 42 = 21 cm2 6 cm 2 cm B A 3 cm 7 cm Area B = ½ x 2 x 3 = ½ x 6 = 3 cm2 Total Area = Area A – Area B = 21 cm2 – 3 cm2 = 18 cm2

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