Angle Identification Worksheet
Identify and classify different types of angles (acute, obtuse, right, straight) and measure them using a protractor.
Includes
Standards
Topics
Angle Identification Practice
Name:
Date:
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Read each question carefully and follow the instructions. Identify the type of angle shown or described.
1. Which type of angle measures exactly 90 degrees?
Acute angle
Obtuse angle
Right angle
Straight angle
2. An angle that measures less than 90 degrees is called a(n) angle.
Obtuse
Acute
Right
Straight
3. An angle that measures more than 90 degrees but less than 180 degrees is called an angle.
4. A angle forms a straight line and measures exactly 180 degrees.
5. Look at the angle below. What type of angle is it?
6. Identify the type of angle shown in the diagram.
7. All angles in a square are acute angles.
True
False
8. A straight angle is always formed by two rays pointing in opposite directions.
True
False
Match each angle type on the left with its correct description on the right.
9. Acute Angle
a. Measures exactly 90 degrees
10. Right Angle
b. Measures between 0 and 90 degrees
11. Obtuse Angle
c. Measures exactly 180 degrees
12. Straight Angle
d. Measures between 90 and 180 degrees
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