The Lesson
An reflex angle is an
angle greater than 180° and less than 360°.
A reflex angle is greater than a straight line and less than a complete revolution.
Real Examples of Straight Angles
The angles below are all reflex angles:
Interactive Game on the Types of Angles
Here is an interactive game to help you learn about the types of angles.
- Click on an angle so it drops into the correct "bucket."
- In total, there are 10 angle to clear.
- If an angle drops into the wrong "bucket," you will lose one of your three lives.
- Good luck!
What's in a Name?
Reflex comes from the Latin word "reflexus" meaning "bent back". A reflex angle looks like it has been bent back on itself.
Drag and Drop Game
Here is a
drag-and-drop game to help you learn about the types of angles.
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