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Hypotenuse of an isosceles right triangle

Year 8 maths · Fieldbook Learning

Name ______________________ Date __________

Both legs are equal. Square one leg and double it, then take the square root. Round to the nearest tenth.

  1. A right triangle has two equal legs of 27 cm. How long is the hypotenuse, in cm? Round to the nearest tenth.
  2. A right triangle has two equal legs of 16 cm. How long is the hypotenuse, in cm? Round to the nearest tenth.
  3. A right triangle has two equal legs of 12 cm. How long is the hypotenuse, in cm? Round to the nearest tenth.
  4. A right triangle has two equal legs of 14 cm. How long is the hypotenuse, in cm? Round to the nearest tenth.
  5. A right triangle has two equal legs of 52 cm. How long is the hypotenuse, in cm? Round to the nearest tenth.
  6. A right triangle has two equal legs of 17 cm. How long is the hypotenuse, in cm? Round to the nearest tenth.
  7. A right triangle has two equal legs of 55 cm. How long is the hypotenuse, in cm? Round to the nearest tenth.
  8. A right triangle has two equal legs of 15 cm. How long is the hypotenuse, in cm? Round to the nearest tenth.
  9. A right triangle has two equal legs of 48 cm. How long is the hypotenuse, in cm? Round to the nearest tenth.
  10. A right triangle has two equal legs of 72 cm. How long is the hypotenuse, in cm? Round to the nearest tenth.
  11. A right triangle has two equal legs of 28 cm. How long is the hypotenuse, in cm? Round to the nearest tenth.
  12. A right triangle has two equal legs of 23 cm. How long is the hypotenuse, in cm? Round to the nearest tenth.
  13. A right triangle has two equal legs of 62 cm. How long is the hypotenuse, in cm? Round to the nearest tenth.
  14. A right triangle has two equal legs of 75 cm. How long is the hypotenuse, in cm? Round to the nearest tenth.
  15. A right triangle has two equal legs of 71 cm. How long is the hypotenuse, in cm? Round to the nearest tenth.
  16. A right triangle has two equal legs of 118 cm. How long is the hypotenuse, in cm? Round to the nearest tenth.
  17. A right triangle has two equal legs of 174 cm. How long is the hypotenuse, in cm? Round to the nearest tenth.
  18. A right triangle has two equal legs of 82 cm. How long is the hypotenuse, in cm? Round to the nearest tenth.
  19. A right triangle has two equal legs of 51 cm. How long is the hypotenuse, in cm? Round to the nearest tenth.
  20. A right triangle has two equal legs of 177 cm. How long is the hypotenuse, in cm? Round to the nearest tenth.
More free practice: fieldbooklearning.com/au/practice/year-8/hypotenuse-of-an-isosceles-right-triangle/

Play it as a quiz game

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

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  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: Hypotenuse of an isosceles right triangle

  1. 38.2
  2. 22.6
  3. 17
  4. 19.8
  5. 73.5
  6. 24
  7. 77.8
  8. 21.2
  9. 67.9
  10. 101.8
  11. 39.6
  12. 32.5
  13. 87.7
  14. 106.1
  15. 100.4
  16. 166.9
  17. 246.1
  18. 116
  19. 72.1
  20. 250.3