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Area of Square / Rectangle Example: 8 cm A = lb = 8 x 4 = 32 cm2 4 cm Your turn: 9 cm A = lb = 9 x = 6 cm cm2 Example: 12 cm A = ½ bh = ½ x 12 x 4 = 24 cm2 Area of triangle 4 cm Your turn: A = ½ bh = ½ x = 6 cm 16 cm cm2 x Example: 10 m Area of Parallelogram A = bh = 10 x 7 = 70 m2 7 m Your turn: A = bh = = 11 cm x 5 cm cm2 Example: Area of Kite / Rhombus A = ½ xy 14 cm = ½ x 14 x 8 = 56 cm2 8 cm Your turn: A = ½ xy = = ½ x 11 x 11 m m2 6 m Example: A = ½ h (a + b) = 50 cm2 = ½ x 5 x (8 + 12) 12 cm 8 cm 5 cm Area of Trapezium Your turn: A = ½ h (a + b) = ½ x = cm2 6 cm 9 cm x ( 4 cm + 6) A = bh 12 m Select the correct option: A = ½ bh 5 m A = lb A = ½ x 12 x 5 12 m Select the correct option for the next line: 5 m A = 12 x 5 A = ½ bh A = ½ xy 5 m Select the correct option: 22 m A = ½ bh A = lb A = ½ x 22 x 5 5 m Select the correct option for the next line: 22 m A = lb A = 22 x 5 A = ½ xy 12 m 20 m 6 m Select the correct option: A = ½ bh A = ½ h (a + b) A = ½ x 6 x (12 + 20) 12 m 20 m 6 m Select the correct option for the next line: A = ½ x 20 x (6 + 12) A = ½ h (a + b) A = ½ xy 14 m Select the correct option: 8 m A = bh A = ½ h (a + b) A = 14 x 8 14 m Select the correct option for the next line: 8 m A = ½ x 14 x 8 A = bh A = ½ xy 22 m Select the correct option: A = bh 10 m A = ½ h (a + b) A = ½ x 22 x 10 22 m Select the correct option for the next line: 10 m A = ½ x 22 x (10 + 10) A = ½ xy |