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A full circle

equal 360 degrees

Angles around a point

Angles that add up to 360 degrees.

Acute angles

angles that are less than 90 degrees

Right angles

angles that measure 90 degrees

Obtuse angles

angles that measure greater than 90 degrees and less than 180 degrees

Straight angles

measures 180 degrees

Two angles

supplementary angles

Two angles that add up to 90 degrees

Complimentary Angles

A reflects angle

measure greater than 180

Vertically opposite angles

These are equal angles, formed when two straight lines intersect.

A capital 'L' with a small box in the Corner

Is a right angle

Angles in matching corners

corresponding angles and they are equal in measure

A full triangle

is equal to 180

Base angles

are equal in measure

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