Acute, obtuse, and right.
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If you mean ways of naming angles then they are: acute, right, obtuse and reflex
I don't think there are rays of naming. Angles are made up of 2 rays.
Naming angles pretty much means describing the size of an angle. Acute angles are 89.9 degrees and below. Right angles are exactly 90 degrees. Obtuse angles ar 90.1 degrees and above.
triangles are called what they are because it has 3 angles "tri" is another way of saying 3 and it is made up of 3 90 degree angles in each corner The 3 angles of a Triangle when added together always equals 180 degrees.
The 3 ways in naming an angle are..... 1.3points method 2.vertex method 3.Number method