16Hit1600
Geometry and TrigonometryEasySide lengths that form a right triangle

Geometry and Trigonometry practice question

Which of the following sets of side lengths could form a right triangle?

  1. A. 6, 8, 10Correct
  2. B. 5, 6, 7
  3. C. 4, 5, 6
  4. D. 2, 3, 4

Answer: A. 6, 8, 10

6² + 8² = 36 + 64 = 100 = 10².

Why the other answers are wrong

B. 5, 6, 7
25 + 36 = 61, not 49.
C. 4, 5, 6
16 + 25 = 41, not 36.
D. 2, 3, 4
4 + 9 = 13, not 16.

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