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

Angle types - Questions

1. Is the following angle acute, right, obtuse, or straight?



Choose 1 answer:

(A) Acute angle

(B) Straight angle

(C) Right angle

(D) Obtuse angle

2. Is the following angle acute, right, obtuse, or straight?



Choose 1 answer:

(A) Right angle

(B) Acute angle

(C) Straight angle

(D) Obtuse angle

3. What type of angle is \angle A B C?



Choose 1 answer:

(A) Straight angle

(B) Right angle

(C) Obtuse angle

(D) Acute angle

4. What type of angle is \angle Q R S?



Choose 1 answer:

(A) Right angle

(B) Straight angle

(C) Obtuse angle

(D) Acute angle