no right angle with only one angle is obtuse
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Sometimes, it can or can not be a obtuse triangle.
It has 3 sides
Equilateral triangle = All sides congruent Scalene triangle = No sides congruent Isosceles triangle = At LEAST two sides congruent Right triangle = Triangle with one right angle Obtuse triangle = Triangle with ONE obtuse angle Acute triangle = Triangle with ALL acute angles
obtuse triangle
A triangle with 1 obtuse angle is called an obtuse triangle.