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Grade 9 · Geometry
Pythagoras' Theorem: Finding the Missing Side
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  / 8

Answer all questions. Show all your working — marks are awarded for method as well as the final answer.

  1. 1
    A right triangle has legs 6 and 8. Find the hypotenuse.
    (2)
    6 8 ?
  2. 2
    Legs of 5 and 12 — find the hypotenuse.
    (2)
    512?
  3. 3
    Hypotenuse 10, one leg 6. Find the other leg.
    (2)
    6?10
  4. 4
    Is a triangle with sides 3, 4, 6 right-angled?
    (2)
    117,3°643
TOTAL: 8 marks
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