Classifying Angles
Often, the angles are described based on their degree measure: they can be acute, right, or obtuse. Watch this lecture series and complete the exercises to practice identifying different types of angles.
Practice
Recognize angles in figures - Answers
1. The highlighted angle is an obtuse angle.
2. 
and 
are acute angles.
3. 
ais an acute angle.
4. The highlighted angle is an obtuse angle.