johndoe778 johndoe778

09-03-2018
Mathematics

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What best explains whether a triangle with side lenghts 5 cm, 13 cm, and 12 cm is a right triangle?

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SINAZEUS SINAZEUS

09-03-2018

you can get help from Pythagoras theorem:
[tex] {x}^{2} = {5}^{2} + {12}^{2} \\ {x}^{2} = 25 + 144 = 169 \\ x = \sqrt{169} = 13[/tex]
hope this helps

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