ChalkBee

Pythagoras' Theorem: Finding the Hypotenuse (Year 9)

Free printable UK Year 9 (Key Stage 3) maths worksheet: use Pythagoras' theorem to find the hypotenuse of a right triangle from its 2 legs, using exact whole-number triples.

✓ Answer key checked by math, never wrong
Grade 8 · Math worksheet
Name
Date
Math

Pythagoras' Theorem: Finding the Hypotenuse

Use Pythagoras' theorem, a^2 + b^2 = c^2, to find the hypotenuse of each right triangle.

  1. 1.
    A right triangle has legs of length 35 and 12. Find the length of the hypotenuse.
  2. 2.
    A right triangle has legs of length 6 and 8. Find the length of the hypotenuse.
  3. 3.
    A right triangle has legs of length 42 and 40. Find the length of the hypotenuse.
  4. 4.
    A right triangle has legs of length 24 and 7. Find the length of the hypotenuse.
  5. 5.
    A right triangle has legs of length 8 and 6. Find the length of the hypotenuse.
  6. 6.
    A right triangle has legs of length 18 and 24. Find the length of the hypotenuse.
  7. 7.
    A right triangle has legs of length 16 and 12. Find the length of the hypotenuse.
  8. 8.
    A right triangle has legs of length 15 and 8. Find the length of the hypotenuse.
  9. 9.
    A right triangle has legs of length 35 and 12. Find the length of the hypotenuse.
  10. 10.
    A right triangle has legs of length 4 and 3. Find the length of the hypotenuse.
Made with ChalkBee · chalkbee.com

More like this

Other Grade 8 worksheets