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Grade 8 · Area and Perimeter of 2D Shapes
Area and Perimeter: Every Shape (Complete Guide)
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  / 23

Answer all questions. Show all your working — marks are awarded for method as well as the final answer.

  1. 1
    A square has an area of 196 cm2. Determine the length of one side, and hence its perimeter.
    (3)
  2. 2
    Perimeter of a rectangle 8 cm by 5 cm (rectangle)
    (1)
    8 cm 5 cm
  3. 3
    Area of a rectangle 8 cm by 5 cm (rectangle)
    (1)
    8 cm 5 cm
  4. 4
    Perimeter and area of a square with side 6 cm (square)
    (2)
    6 cm 6 cm
  5. 5
    Area of a triangle, base 10 cm, height 6 cm (triangle)
    (2)
    base 10 cm h = 6 cm
  6. 6
    Area of a triangle, base 14 cm, height 5 cm (triangle)
    (2)
    base 14 cm h = 5 cm
  7. 7
    Circumference of a circle, radius 5 cm (π ≈ 3,14) (circle)
    (2)
    r = 5 cm
  8. 8
    Area of a circle, radius 10 cm (π ≈ 3,14) (circle)
    (2)
    r = 10 cm
  9. 9
    Area of a circle with DIAMETER 12 cm (π ≈ 3,14) (circle)
    (3)
    d = 12 cm
  10. 10
    A 10 × 8 rectangle with a 3 × 2 rectangle cut out — area? (composite)
    (3)
    10 cm 8 cm 3×2 cut-out removed
  11. 11
    A rectangle has area 60 cm2 and breadth 5 cm. Find its length. (reverse)
    (2)
TOTAL: 23 marks
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