Angle Relationships

Front

What is the measure of angle b if it is complementary to angle a measuring 39 degrees?

Back

Angle b = 51 degrees (90 - 39 = 51)

Front

What is the measure of angle b if it is supplementary to angle a measuring 134 degrees?

Back

Angle b = 46 degrees (180 - 134 = 46)

Front

What do we call two angles that add up to 90 degrees?

Back

Complementary angles.

Front

What do we call two angles that add up to 180 degrees?

Back

Supplementary angles.

Front

What is the relationship between two angles that are opposite each other when two lines intersect?

Back

Vertical angles.

Front

What is the relationship between two angles that are next to each other and share a common side?

Back

Adjacent angles.

Front

What do we call angles that are on opposite sides of a transversal and inside the two lines?

Back

Alternate interior angles.

Front

What do we call angles that are on the same side of the transversal and inside the two lines?

Back

Consecutive interior angles.

Front

What do we call angles that are on the same side of the transversal and outside the two lines?

Back

Corresponding angles.

Front

What do we call angles that are on opposite sides of the transversal and outside the two lines?

Back

Alternate exterior angles.