Topic 8.4 Vocab

Front

Acute Angle

Back

measures less than 90 degrees

Front

Right Angle

Back

measures exactly 90 degrees

Front

Obtuse Angle

Back

measures less than 180 degrees

Front

Straight Angle

Back

measures exactly 180 degrees

Front

Vertical Angles

Back

Are opposites and congruent

Front

Adjacent Angles

Back

Share an endpoint and one side, next to each other

Front

Complementary Angles

Back

Two angles whose measures have a sum of 90 degrees

Front

Supplementary Angles

Back

Two angles whose measures have a sum of 180 degrees