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Mathematics 20 Online
OpenStudy (anonymous):

Which is the most accurate description of the triangle shown if you are given that the side lengths are 4 meters, 3 meters, and 6 meters with a 117.3 degree angle?

Parth (parthkohli):

Looks like one of the angles is more than 90 degrees, and thus it is an obtuse triangle.

OpenStudy (anonymous):

Yes but an obtuse scalene or obtuse isosceles?

Parth (parthkohli):

The side-check for obtuse triangles: \( \color{Black}{\Rightarrow 6^2 > 4^2 + 3^2?}\) \( \color{Black}{\Rightarrow 36 > 16 + 9?}\) \( \color{Black}{\Rightarrow 36 > 25}\) Yes.

Parth (parthkohli):

Well. Scalene - all sides are unequal. Isosceles - two sides are equal.

OpenStudy (anonymous):

So its a scalene. Thanks!

Parth (parthkohli):

Yep! You're welcome!

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