Here's a triangle with the lengths of its two shortest sides known: 3 and 4 cm. We can use Pythagoras's theorem to find the length of the hypotenuse:
hypotenuse² = one-side² + second-side² h² = 3² + 4² h² = 9 + 16 = 25 h = 5 cm Let's see if you can do it yourself.
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