Identifying Acute, Right, Straight, Reflex and Full Revolution Angles

Identify this angle

• Obtuse angle

• Acute angle

• Straight angle

• Reflex angle

_____ is an obtuse angle

• 90⁰

• 100⁰

• 200⁰

The measure of the angle of a straight line

• 10⁰

• 180⁰

• 40⁰

Measure of a right angle is

• 90⁰

• 100⁰

• 80⁰

• 180⁰

The measure of a complete angle

• 180⁰

• 90⁰

• 360⁰

What is the angle name for half a revolution

• Straight angle

• Right angle

• Complete angle

The angle name for one-fourth revolution

• 60⁰

• 90⁰

• 80⁰

The angle which is larger than a right angle and smaller than a straight angle is called

• Obtuse angle

• Reflex angle

• Acute angle

What type of angle is formed when opening a book

• Acute angle

• Obtuse angle

• Reflex angle

The name of the angle for one revolution

• Reflex angle

• Obtuse angle

• Complete angle