Reflex Angles
(KS2, Year 6)

The Lesson

An reflex angle is an angle greater than 180° and less than 360°.

a reflex angle 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:

315 degrees, 200 degrees, 190 degrees

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.
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See Also

What are degrees?