katiemayfield4226 katiemayfield4226

24-04-2017
Mathematics

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

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kenzo201 kenzo201

24-04-2017

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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