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Even though there is not enough info the three angle names are 

RIGHT/ this can only be 90*  
 
Obtuse / Obtuse can be anything over 90* 

Acute / Acute can be anything smaller than 90*

And if you are to name the points on any angle they will be ABC or DEF  it can also be CBA or FDE  the middle letter is allways the vertex

The three ways to name the angle will be a right angle, obtuse angle, and an acute angle.

A right angle triangle refers to one that has one of its angles to be 90°.

An acute angle refers to the one that's smaller than 90° e.g 54°.

An obtuse angle is an angle that is above 90°.

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