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Find the area of triangles and parallelograms

Year 10 maths · Fieldbook Learning

Name ______________________ Date __________

Parallelogram: base × height. Triangle: half of base × height.

  1. A parallelogram has a base of 3 cm and a height of 10 cm. What is its area in square centimetres?
  2. A parallelogram has a base of 2 cm and a height of 4 cm. What is its area in square centimetres?
  3. A parallelogram has a base of 4 cm and a height of 12 cm. What is its area in square centimetres?
  4. A parallelogram has a base of 9 cm and a height of 5 cm. What is its area in square centimetres?
  5. A triangle has a base of 14 cm and a height of 10 cm. What is its area in square centimetres?
  6. A triangle has a base of 16 cm and a height of 5 cm. What is its area in square centimetres?
  7. A triangle has a base of 24 cm and a height of 6 cm. What is its area in square centimetres?
  8. A triangle has a base of 4 cm and a height of 3 cm. What is its area in square centimetres?
  9. A triangle has a base of 2 cm and a height of 7 cm. What is its area in square centimetres?
  10. A triangle has a base of 16 cm and a height of 18 cm. What is its area in square centimetres?
  11. A triangle has a base of 40 cm and a height of 15 cm. What is its area in square centimetres?
  12. A triangle has a base of 34 cm and a height of 15 cm. What is its area in square centimetres?
  13. A parallelogram has a base of 17 cm and a height of 18 cm. What is its area in square centimetres?
  14. A parallelogram has a base of 23 cm and a height of 8 cm. What is its area in square centimetres?
  15. A parallelogram has a base of 17 cm and a height of 23 cm. What is its area in square centimetres?
  16. A parallelogram has a base of 22 cm and a height of 12 cm. What is its area in square centimetres?
  17. A rectangle has an area of 105 square metres and a width of 15 m. How long is it?
  18. A triangle has an area of 304 square metres and a base of 32 m. What is its height?
  19. A rectangle has an area of 154 square metres and a width of 14 m. How long is it?
  20. A triangle has an area of 105 square metres and a base of 14 m. What is its height?
More free practice: fieldbooklearning.com/au/practice/year-10/area-of-triangles-and-parallelograms/

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Answer key: Find the area of triangles and parallelograms

  1. 30
  2. 8
  3. 48
  4. 45
  5. 70
  6. 40
  7. 72
  8. 6
  9. 7
  10. 144
  11. 300
  12. 255
  13. 306
  14. 184
  15. 391
  16. 264
  17. 7
  18. 19
  19. 11
  20. 15