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Types of Angles

Videos, worksheets, stories and songs to help Grade 6 students learn about types of angles: acute angles, right angles, obtuse angles, straight angles, reflex angles and full rotation angles.



 

Related Topics:
More Grade 6 math Lessons, Angle Games

Right Angle (Quarter-Turn) – Two rays that connect to form a square corner.
Straight Angle (Half Turn) – Two rays that connect to form a straight line.
Acute Angle – An angle with a measure less than a right angle (half turn)
Obtuse Angle – An angle with a measure greater than a right angle but less than a straight angle.
Reflex Angle – An angle with a measure greater than a straight angle.
Note that an acute or obtuse also has a reflex angle on the outside of its arms.

The following figures show the different types of angles: Right angle, Straight angle, Acute angle, Obtuse angle and Reflex angle. Scroll down the page for more examples and solutions.

Types of Angles


Introduction to Angles and Angle Types
Angles are used to measure the amount of turn.
This video shows you what angles are, how they are created, and the main types of angles we use in math.
Classifying Angles
Identify acute, obtuse and right angles.
What is an angle is and how angles are measured?
It demonstrates the measuring of angles with a protractor.
It goes over different classifications of angles such as acute angles, right angles, obtuse angles, straight angles, reflex angles and full rotation angles.



Naming Angles – Vertex, Sides
Name the vertex and sides of an angle and give all the possible names of the angle.
Angles Music Video
A song about the types of angles and the degrees of the different types of angles.
Types of Angles
This video illustrates acute, right, obtuse, straight, reflex, and full angles.

Rotate to landscape screen format on a mobile phone or small tablet to use the Mathway widget, a free math problem solver that answers your questions with step-by-step explanations.


You can use the free Mathway calculator and problem solver below to practice Algebra or other math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations.


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