Multiple choice general knowledge math & puzzles

The legs of a right triangle have lengths (the square root of 5) and (the square root of 12). What is the length of the hypotenuse?

  1. the square root of 13

  2. the square root of 7

  3. the square root of 60

  4. the square root of 17
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Using the Pythagorean theorem: h² = (√5)² + (√12)² = 5 + 12 = 17, so h = √17. The square of a square root returns the original number, making this calculation straightforward. Don't be tempted to add the radicands directly.

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