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-- If a triangle has an obtuse angle in it, then it's called an obtuse triangle. -- No triangle can have more than one obtuse angle in it . -- Right triangles, acute triangles, and equilateral triangles don't have any obtuse angles in them.
Triangles may be right triangles equilateral triangles acute or obtuse triangles
right obtuse acute and scalene
true
They are classified as: scalene, obtuse, right angle. equilateral and isosceles