An obtuse triangle has one angle greater than 90 degrees.
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An obtuse triangle does not always have three congruent sides. An obtuse triangle can be any form that always has three angles.
If you are classifying triangles by their angles, an obtuse triangle has one obtuse angle and two acute angles. A triangle can have at most one obtuse angle. If the two acute angles are congruent, the triangle would also be isosceles.
It is an obtuse scalene triangle.
Obtuse Triangle
Obtuse triangle