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Year 9 Maths — Mensuration

Find areas of trapeziums and circles, and volumes and surface areas of cuboids and cylinders.

Name: ________________________

  1. 1.A cube has edges of 5 cm. What is its total surface area, in square centimetres?

  2. 2.A cylinder has a radius of 7 cm and a height of 10 cm. Take π = 22/7. What is its total surface area, in square centimetres?

  3. 3.Which of these gives the volume of a cylinder?

    • a) 2 × π × r
    • b) π × r × r
    • c) π × r × r × h
    • d) 2 × π × r × h

  4. 4.A cuboid is 12 cm long, 8 cm wide and 5 cm tall. What is its total surface area, in square centimetres?

  5. 5.A trapezium has parallel sides of 10 cm and 6 cm, and a height of 4 cm. What is its area, in square centimetres?

  6. 6.A cylinder has a radius of 7 cm and a height of 10 cm. Take π = 22/7. What is its volume, in cubic centimetres?

  7. 7.A circle has a radius of 14 cm. Take π = 22/7. What is its circumference, in centimetres?

  8. 8.A circle has a radius of 14 cm. Take π = 22/7. What is its area, in square centimetres?

Answer key — Year 9 Maths — Mensuration

  1. 1. 150
  2. 2. 748
  3. 3. c) π × r × r × h
  4. 4. 392
  5. 5. 32
  6. 6. 1540
  7. 7. 88
  8. 8. 616