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Perimeter, Area and Volume

Perimeter, Area and Volume. 12cm. 6cm. 6cm. 8cm. 6cm. Perimeter. Add up all the sides of a shape. 12 + 8 + 12 + 8 = 40cm. 6 + 6 + 6 = 18cm. 12cm. 10cm. Area. There are different formulae that you need to learn for different shapes. Area is measured in square units. Triangle

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Perimeter, Area and Volume

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  1. Perimeter, Area and Volume

  2. 12cm 6cm 6cm 8cm 6cm Perimeter Add up all the sides of a shape. 12 + 8 + 12 + 8 = 40cm 6 + 6 + 6 = 18cm

  3. 12cm 10cm Area There are different formulae that you need to learn for different shapes. Area is measured in square units. Triangle Area =( base x height ) ÷ 2 10 x 12 = 120 120 ÷ 2 = 60 Answer : 60 cm²

  4. 11cm 8cm 8cm 8cm Area Square and Rectangle Area = length x breadth 11 x 8 = 88 Answer : 88 cm² 8 x 8 = 64 Answer : 64 cm²

  5. 12cm 15cm Area Parallelogram Area = base x perpendicular height 15 x 12 = 180 Answer : 180cm²

  6. a h b 10cm 5cm 12cm Area Trapezium Area = ½ ( a + b ) x h ½ ( 10 + 12 ) x 5 11 x 5 = 55 Answer : 55cm²

  7. 4cm 5cm 5cm 2cm 5cm 5cm Volume Cube and Cuboid Volume is measured in units cubed. Volume = length x breadth x height 5 x 5 x 5 = 125 Answer : 125cm³ 5 x 2 x 4 = 40 Answer : 40cm³

  8. Height = 10cm Radius = 5cm Volume Cylinder Volume = 3.14 x r² x h 3.14 x 5² x 10 3.14 x 5 x 5 x 10 = 785 Answer : 785cm³

  9. 7cm 10cm 5cm Volume Triangular Prism Volume = area of triangle x length ( 5 x 7 ) ÷ 2 x 10 = 175 Answer : 175 cm³

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