Question

label each angle as acute, obtuse, or right.

Explanation:

Step1: Recall angle - type definitions

An acute angle is less than 90°, a right angle is 90°, and an obtuse angle is between 90° and 180°.

Step2: Analyze ∠ABC

It is less than 90°, so it is acute.

Step3: Analyze ∠DEF

It has a square - corner symbol indicating it is 90°, so it is right.

Step4: Analyze ∠GHI

It is greater than 90° and less than 180°, so it is obtuse.

Step5: Analyze ∠JKL

It is less than 90°, so it is acute.

Step6: Analyze ∠MNO

It is less than 90°, so it is acute.

Step7: Analyze ∠PQR

It has a square - corner symbol indicating it is 90°, so it is right.

Step8: Analyze ∠STU

It is greater than 90° and less than 180°, so it is obtuse.

Step9: Analyze ∠VWX

It is less than 90°, so it is acute.

Answer:

1. acute
2. right
3. obtuse
4. acute
5. acute
6. right
7. obtuse
8. acute