What is an angle of 90 degrees called?

What do you call the acute angle formed by the terminal side of an angle heta in standard position and the horizontal axis?

What's the difference here between arc AD and angle AED?

What do you call two angles whose sides are opposite rays?

What is the difference between a right angle and a straight angle?

Which is not a proper name for the angle? 1. angle cba 2. angle abc 3. angle a 4. angle b

What is m angle BAC?

What do you call the acute angle formed by the terminal side of an angle heta in standard position and the horizontal axis?

Describe an acute angle.

What undefined term is needed to define an angle?