SOLUTION: A triangle has side lengths of 8 cm, 15 cm, and 16 cm. it acute, obtuse, or right? and why?

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Question 428616: A triangle has side lengths of 8 cm, 15 cm, and 16 cm. it acute, obtuse, or right? and why?
Answer by richard1234(7193) About Me  (Show Source):
You can put this solution on YOUR website!
Since 8%5E2+%2B+15%5E2+%3E+16%5E2, we conclude the triangle is acute (if you want to know why, look up the law of cosines on Google).