Classifying Angles

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

1. The angle shown makes a square corner.

Therefore, it is a right angle.

2. The angle shown is smaller than a right angle.

Therefore, it is an acute angle.

3. $\angle A B C$ is an acute angle.

4. $\angle Q R S$ is a straight angle.

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

Choose 1 answer:

(A) Acute angle

(B) Obtuse angle

(C) Right angle

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

Choose all answers that apply:

(A) $\angle 1$

(B) $\angle 2$

(C) $\angle 3$

(D) $\angle 4$

3. What type of angle is $\angle A$?

Choose 1 answer:

(A) Obtuse angle

(B) Right angle

(C) Acute angle

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

Choose 1 answer:

(A) Acute angle

(B) Obtuse angle

(C) Right angle

1. The highlighted angle is an obtuse angle.

2. $\angle 2$ and $\angle 4$ are acute angles.

3. $\angle A$ ais an acute angle.

4. The highlighted angle is an obtuse angle.