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Geometry 23 Online
OpenStudy (anonymous):

what type of triangle has lengths of 4, 7,and 9?

OpenStudy (ivettef365):

It is not a right triangle, all sides are different, sounds like a scalene triangle

OpenStudy (anonymous):

It's scalene for suree

OpenStudy (raden):

9^2 > 4^2 + 7^2 81 > 16 + 49 so, it is an obtuse triangle

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