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Area of a triangle

Year 7 maths · Fieldbook Learning

Name ______________________ Date __________

Area of a triangle = ½ × base × height.

  1. A triangle has a base of 10 cm and a height of 17 cm. What is its area in cm²?
  2. A triangle has a base of 16 cm and a height of 15 cm. What is its area in cm²?
  3. A triangle has a base of 16 cm and a height of 9 cm. What is its area in cm²?
  4. A triangle has a base of 14 cm and a height of 13 cm. What is its area in cm²?
  5. A triangle has a base of 19 cm and a height of 14 cm. What is its area in cm²?
  6. A triangle has a base of 8 cm and a height of 22 cm. What is its area in cm²?
  7. A triangle has a base of 30 cm and a height of 27 cm. What is its area in cm²?
  8. A triangle has a base of 22 cm and a height of 29 cm. What is its area in cm²?
  9. A triangle has a base of 32 cm and a height of 30 cm. What is its area in cm²?
  10. A triangle has a base of 29 cm and a height of 34 cm. What is its area in cm²?
  11. A triangle has a base of 14 cm and a height of 18 cm. What is its area in cm²?
  12. A triangle has a base of 34 cm and a height of 6 cm. What is its area in cm²?
  13. A triangle has a base of 34 cm and a height of 41 cm. What is its area in cm²?
  14. A triangle has a base of 44 cm and a height of 32 cm. What is its area in cm²?
  15. A triangle has a base of 57 cm and a height of 16 cm. What is its area in cm²?
  16. A triangle has a base of 40 cm and a height of 31 cm. What is its area in cm²?
  17. A triangle has a base of 26 cm and a height of 9 cm. What is its area in cm²?
  18. A triangle has a base of 72 cm and a height of 63 cm. What is its area in cm²?
  19. A triangle has a base of 32 cm and a height of 57 cm. What is its area in cm²?
  20. A triangle has a base of 31 cm and a height of 18 cm. What is its area in cm²?
More free practice: fieldbooklearning.com/au/practice/year-7/area-of-a-triangle/

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Answer key: Area of a triangle

  1. 85
  2. 120
  3. 72
  4. 91
  5. 133
  6. 88
  7. 405
  8. 319
  9. 480
  10. 493
  11. 126
  12. 102
  13. 697
  14. 704
  15. 456
  16. 620
  17. 117
  18. 2268
  19. 912
  20. 279