Question

classify each angle as acute, obtuse, right, or straight. 27) 28) 29) 30)

Explanation:

Step1: Recall angle - type definitions

An acute angle is between 0° and 90°, a right - angle is 90°, an obtuse angle is between 90° and 180°, and a straight angle is 180°.

Step2: Analyze angle 27

Based on the visual appearance, it is between 0° and 90°, so it is an acute angle.

Step3: Analyze angle 28

It appears to be a straight line, so it is a straight angle.

Step4: Analyze angle 29

It is between 90° and 180°, so it is an obtuse angle.

Step5: Analyze angle 30

It forms a square - corner, so it is a right angle.

Answer:

1. Acute
2. Straight
3. Obtuse
4. Right