Types of Angles Flashcard

Front

What are complementary angles?

Back

Two angles whose sum is 90 degrees.

Front

If two angles are complementary, what is the sum of their measures?

Back

90 degrees

Front

If angle A is complementary to angle B, and angle B is complementary to angle C, what can you say about angle A and angle C?

Back

Angle A and angle C are complementary.

Front

What are supplemental angles?

Back

Two angles that add up to 180 degrees.

Front

If two angles are supplemental, what is the sum of their measures?

Back

180 degrees

Front

If angle X is supplemental to angle Y, and angle Y is supplemental to angle Z, what can you say about angle X and angle Z?

Back

Angle X and angle Z are supplemental to each other.

Front

What are vertical angles?

Back

Congruent angles formed opposite each other by the intersection of two lines.

Front

If two lines intersect, what can you say about the measures of the vertical angles formed?

Back

The measures of the vertical angles formed are congruent.

Front

If angle P is a vertical angle to angle Q, and angle Q is a vertical angle to angle R, what can you say about angle P and angle R?

Back

Angle P and angle R are vertical angles.

Front

If angle A is complementary to angle B, and angle B is supplemental to angle C, what can you say about angle A and angle C?

Back

The sum of angle A and angle C is 270 degrees.