Angles and Angle Relationships

Front

An angle that is exactly 90 degrees.

Back

right

Front

An angle that is exactly 180^o. Options: right, acute, obtuse, straight

Back

straight

Front

An angle that is less than 90^o. Options: right, acute, obtuse, straight

Back

acute

Front

An angle that is more than 90^o. Options: right, acute, obtuse, straight

Back

obtuse

Front

This angle is an example of what type of angle? Options: right, acute, obtuse, straight

Back

obtuse

Front

The point where 2 rays meet is called the...

Back

vertex

Front

Name the angle formed by lines DE and EF in the long form.

Back

∠FED

Front

Name the angle formed by lines XY and YZ in the long form.

Back

∠XYZ

Front

Which is the vertex of the angle? Options: X, Y, Z

Back

Y

Front

The angle relationship shown is -

Back

complementary angles