Types of Angles and Lines

Front

Define Obtuse

Back

Greater than 90 and less than 180

Front

Which 2 segments create a right angle?

Back

Line Segments BC and CD

Front

Name this angle: (show an acute angle)

Back

acute

Front

What is a name for this line? (show a straight line)

Back

straight line

Front

Which of the following segments make a right angle? (show segments XY and YZ)

Back

Line segments XY and YZ

Front

Define Acute Angle

Back

Less than 90 degrees

Front

Define Right Angle

Back

Exactly 90 degrees

Front

Define Straight Angle

Back

Exactly 180 degrees

Front

Define Complementary Angles

Back

Two angles that add up to 90 degrees

Front

Define Supplementary Angles

Back

Two angles that add up to 180 degrees