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Area & Perimeter

Area & Perimeter. Area of a rectangle = Area of a triangle = Area of a parallelogram = Area of a trapezium =. Area & Perimeter. Area of a rectangle = length x Breadth Area of a triangle = Area of a parallelogram = Area of a trapezium =. Area & Perimeter.

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Area & Perimeter

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  1. Area & Perimeter Area of a rectangle = Area of a triangle = Area of a parallelogram = Area of a trapezium =

  2. Area & Perimeter Area of a rectangle = length x Breadth Area of a triangle = Area of a parallelogram = Area of a trapezium =

  3. Area & Perimeter Area of a rectangle = length x Breadth Area of a triangle = ½ x base x perpendicular height. Area of a parallelogram = Area of a trapezium =

  4. Area & Perimeter Area of a rectangle = length x Breadth Area of a triangle = ½ x base x perpendicular height. Area of a parallelogram = base x perpendicular height Area of a trapezium =

  5. Area & Perimeter Area of a rectangle = length x Breadth Area of a triangle = ½ x base x perpendicular height. Area of a parallelogram = base x perpendicular height Area of a trapezium = ½(a + b)h

  6. Area & Perimeter Area of a circle = Circumference of a circle =

  7. Area & Perimeter Area of a circle = r2 Circumference of a circle =

  8. Area & Perimeter Area of a circle = r2 Circumference of a circle = D or 2r

  9. 8.2cm 7.4cm 9.3cm Example Calculate the area for each of the following shapes (i)

  10. 8cm 5cm (ii)

  11. 12cm 3.2m (iii) (iv)

  12. 9cm 7cm 13cm (v)

  13. Example Calculate the shaded region in the shape below 13m 25m 25m

  14. Example The area of a circle is given as 205 m2. What is its diameter?

  15. 17mm Example Work out the circumference for each of the following circles (a) (b) 5cm

  16. 45m Example Work out the perimeter of the semi circle drawn below

  17. Example Work out the radius of a circle which has an circumference of 30 centimetres.

  18. 18cm 18cm 5cm Example Which has the largest perimeter?

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