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.
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.