Area and surface area

Practice sheet

Fresh questions from the whole chapter, to do on paper.

To save a PDF, choose “Save as PDF” in the print dialog.

  1. A parallelogram has a base of 11 cm, a height of 5 cm and slanted sides of 7 cm. What is its area (cm²)?
  2. A parallelogram has an area of 27 cm² and a base of 3 cm. What is its height (cm)?
  3. A parallelogram has a base of 9 cm. Which length is its height?
    1. The distance between the base and the opposite side, measured at a right angle
    2. The length of a slanted side
    3. The longest side
  4. A triangle has a base of 15 cm and a height of 4 cm. What is its area (cm²)?
  5. A triangle has a base of 7 m, a height of 6 m and another side of 11 m. What is its area (m²)?
  6. A triangle has an area of 32 cm² and a height of 8 cm. What is its base (cm)?
  7. Find the surface area of a box (rectangular prism) 6 cm by 9 cm by 5 cm (cm²).Not to scale
  8. Find the surface area of a cube with edge 10 cm (cm²).
  9. A prism has right-triangle bases with sides 3, 4 and 5 cm, and length 7 cm. Find its surface area (cm²).Not to scale