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Find the hypotenuse: round to the nearest tenth

Grade 8 math · Fieldbook Learning

Name ______________________ Date __________

Use a² + b² = c² where c is the hypotenuse.

  1. A right triangle has legs of 6 m and 7 m. How long is the hypotenuse, in m? Round to the nearest tenth.
  2. A right triangle has legs of 11 m and 7 m. How long is the hypotenuse, in m? Round to the nearest tenth.
  3. A right triangle has legs of 12 cm and 2 cm. How long is the hypotenuse, in cm? Round to the nearest tenth.
  4. A right triangle has legs of 10 km and 6 km. How long is the hypotenuse, in km? Round to the nearest tenth.
  5. A right triangle has legs of 4 m and 8 m. How long is the hypotenuse, in m? Round to the nearest tenth.
  6. A right triangle has legs of 13 m and 13 m. How long is the hypotenuse, in m? Round to the nearest tenth.
  7. A right triangle has legs of 5 cm and 11 cm. How long is the hypotenuse, in cm? Round to the nearest tenth.
  8. A right triangle has legs of 14 m and 13 m. How long is the hypotenuse, in m? Round to the nearest tenth.
  9. A right triangle has legs of 13 cm and 14 cm. How long is the hypotenuse, in cm? Round to the nearest tenth.
  10. A right triangle has legs of 3 cm and 12 cm. How long is the hypotenuse, in cm? Round to the nearest tenth.
  11. A right triangle has legs of 11 m and 8 m. How long is the hypotenuse, in m? Round to the nearest tenth.
  12. A right triangle has legs of 12 cm and 8 cm. How long is the hypotenuse, in cm? Round to the nearest tenth.
  13. A right triangle has legs of 11 cm and 25 cm. How long is the hypotenuse, in cm? Round to the nearest tenth.
  14. A right triangle has legs of 5 cm and 14 cm. How long is the hypotenuse, in cm? Round to the nearest tenth.
  15. A right triangle has legs of 25 m and 7 m. How long is the hypotenuse, in m? Round to the nearest tenth.
  16. A right triangle has legs of 19 km and 18 km. How long is the hypotenuse, in km? Round to the nearest tenth.
  17. A right triangle has legs of 2 km and 14 km. How long is the hypotenuse, in km? Round to the nearest tenth.
  18. A right triangle has legs of 22 m and 18 m. How long is the hypotenuse, in m? Round to the nearest tenth.
  19. A right triangle has legs of 15 cm and 6 cm. How long is the hypotenuse, in cm? Round to the nearest tenth.
  20. A right triangle has legs of 19 cm and 20 cm. How long is the hypotenuse, in cm? Round to the nearest tenth.
More free practice: fieldbooklearning.com/ca/practice/grade-8/find-the-hypotenuse-round-to-the-nearest-tenth/

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 hypotenuse: round to the nearest tenth

  1. 9.2
  2. 13
  3. 12.2
  4. 11.7
  5. 8.9
  6. 18.4
  7. 12.1
  8. 19.1
  9. 19.1
  10. 12.4
  11. 13.6
  12. 14.4
  13. 27.3
  14. 14.9
  15. 26
  16. 26.2
  17. 14.1
  18. 28.4
  19. 16.2
  20. 27.6