Oblique and Obtuse
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obtuse angle reflex angle right
Acute, equilateral, isosceles, obtuse, right angle, scalene are all names of different types of triangles.
A reflex angle is in between 180o and 360o.
There are five different types of triangles named after their angles. Right triangle, Acute triangle, Isosceles Triangle ,equilateral triangle, and obtuse triangle. The Obtuse Triangle is the triangle with an obtuse angle.
A perfect angle could be considered a 90 degree angle. A 90 degree angle is also known as a "Right Angle". Other types of angles are: Acute, Obtuse, Reflex, and Straight.