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Find the area of a right triangle

Year 6 maths · Fieldbook Learning

Name ______________________ Date __________

A right triangle is half of a rectangle. Multiply the two legs and halve it.

  1. A right triangle has legs of 10 cm and 4 cm. What is its area?
  2. A right triangle has legs of 12 cm and 8 cm. What is its area?
  3. A right triangle has legs of 6 cm and 4 cm. What is its area?
  4. A right triangle has legs of 4 cm and 12 cm. What is its area?
  5. A right triangle has legs of 10 cm and 15 cm. What is its area?
  6. A right triangle has legs of 6 cm and 6 cm. What is its area?
  7. A right triangle has legs of 4 cm and 16 cm. What is its area?
  8. A right triangle has legs of 12 cm and 3 cm. What is its area?
  9. A right triangle has legs of 16 cm and 17 cm. What is its area?
  10. A right triangle has legs of 22 cm and 14 cm. What is its area?
  11. A right triangle has legs of 16 cm and 8 cm. What is its area?
  12. A right triangle has legs of 6 cm and 16 cm. What is its area?
  13. A right triangle has legs of 16 m and 40 m. What is its area?
  14. A right triangle has legs of 36 m and 38 m. What is its area?
  15. A right triangle has legs of 34 m and 10 m. What is its area?
  16. A right triangle has legs of 28 m and 29 m. What is its area?
  17. A right triangle has legs of 56 m and 64 m. What is its area?
  18. A right triangle has legs of 30 m and 60 m. What is its area?
  19. A right triangle has legs of 26 m and 92 m. What is its area?
  20. A right triangle has legs of 16 m and 72 m. What is its area?
More free practice: fieldbooklearning.com/au/practice/year-6/area-of-right-triangles/

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Answer key: Find the area of a right triangle

  1. 20 cm²
  2. 48 cm²
  3. 12 cm²
  4. 24 cm²
  5. 75 cm²
  6. 18 cm²
  7. 32 cm²
  8. 18 cm²
  9. 136 cm²
  10. 154 cm²
  11. 64 cm²
  12. 48 cm²
  13. 320 m²
  14. 684 m²
  15. 170 m²
  16. 406 m²
  17. 1792 m²
  18. 900 m²
  19. 1196 m²
  20. 576 m²