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Find the area of a right triangle with decimal legs

Year 6 maths · Fieldbook Learning

Name ______________________ Date __________

Multiply the two legs and halve the product.

  1. A right triangle has legs of 5.6 cm and 2.8 cm. What is its area?
  2. A right triangle has legs of 2.2 cm and 5.9 cm. What is its area?
  3. A right triangle has legs of 3.3 cm and 3 cm. What is its area?
  4. A right triangle has legs of 4.5 cm and 3.1 cm. What is its area?
  5. A right triangle has legs of 5.7 cm and 2.6 cm. What is its area?
  6. A right triangle has legs of 8.2 cm and 4.7 cm. What is its area?
  7. A right triangle has legs of 4.6 cm and 8.7 cm. What is its area?
  8. A right triangle has legs of 4.6 cm and 6.2 cm. What is its area?
  9. A right triangle has legs of 5.3 cm and 4.1 cm. What is its area?
  10. A right triangle has legs of 6.9 cm and 12 cm. What is its area?
  11. A right triangle has legs of 7.5 cm and 14.8 cm. What is its area?
  12. A right triangle has legs of 3.5 cm and 14.9 cm. What is its area?
  13. A right triangle has legs of 12.9 m and 16.8 m. What is its area?
  14. A right triangle has legs of 8.8 m and 21.7 m. What is its area?
  15. A right triangle has legs of 25.5 m and 22 m. What is its area?
  16. A right triangle has legs of 25.7 m and 8.7 m. What is its area?
  17. A right triangle has legs of 24.8 m and 13.9 m. What is its area?
  18. A right triangle has legs of 41.7 m and 50 m. What is its area?
  19. A right triangle has legs of 26.9 m and 20 m. What is its area?
  20. A right triangle has legs of 10.7 m and 25.6 m. What is its area?
More free practice: fieldbooklearning.com/au/practice/year-6/area-of-right-triangles-with-decimal-legs/

Play it as a quiz game

20 of these questions as multiple choice, with near-miss wrong answers, ready for Kahoot or Blooket.

  1. Download the game's own question template: in Kahoot, Add question → Import spreadsheet; in Blooket, Create a set → Spreadsheet import.
  2. Click the matching button below, then click the first empty question row of the template and paste.
  3. Save the template (Kahoot needs .xlsx, Blooket .csv) and upload it.
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Answer key: Find the area of a right triangle with decimal legs

  1. 7.84 cm²
  2. 6.49 cm²
  3. 4.95 cm²
  4. 6.975 cm²
  5. 7.41 cm²
  6. 19.27 cm²
  7. 20.01 cm²
  8. 14.26 cm²
  9. 10.865 cm²
  10. 41.4 cm²
  11. 55.5 cm²
  12. 26.075 cm²
  13. 108.36 m²
  14. 95.48 m²
  15. 280.5 m²
  16. 111.795 m²
  17. 172.36 m²
  18. 1042.5 m²
  19. 269 m²
  20. 136.96 m²