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

User Viktor Gardart
by
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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.
User Alaeddine Douagi
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