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26 February, 10:04

A triangle has side lengths of 34in., 20in., and 47in. is the triangle acute, obtuse, or right?

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  1. 26 February, 11:19
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    To find its angle measure, plug the sides into the Pythagorean theorem. 20^2 + 34^2? 47^2

    As you can see, 1556 < 2209. Therefore, it is an obtuse triangle.
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