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 - Questions

1. What type of angle is the highlighted angle below?

Choose 1 answer:

(A) Acute angle

(B) Obtuse angle

2. Which of the angles in the diagram are acute angles?

Choose all answers that apply:

(A) $\angle 1$

(B) $\angle 2$

(D) $\angle 4$

3. What type of angle is $\angle A$ ?

Choose 1 answer:

(A) Obtuse angle

(B) Right angle

4. What type of angle is the highlighted angle below?

Choose 1 answer:

(A) Acute angle

(B) Obtuse angle