Vertical and Adjacent Angles

Front

What are vertical angles?

Back

Vertical angles are the angles opposite each other when two lines intersect. They are always equal in measure.

Front

What are adjacent angles?

Back

Adjacent angles are two angles that share a common side and a common vertex but do not overlap.

Front

If two angles are vertical angles, what can we say about their measures?

Back

Vertical angles are always equal in measure.

Front

What is the sum of the measures of supplementary angles?

Back

The sum of the measures of supplementary angles is 180 degrees.

Front

What is the sum of the measures of complementary angles?

Back

The sum of the measures of complementary angles is 90 degrees.

Front

If one angle measures 70 degrees, what is the measure of its vertical angle?

Back

The measure of its vertical angle is also 70 degrees.

Front

If two angles are adjacent and one measures 50 degrees, what is the measure of the other angle if they are supplementary?

Back

The measure of the other angle is 130 degrees.

Front

What is the relationship between vertical angles and adjacent angles?

Back

Vertical angles are equal, while adjacent angles can be either equal or different, depending on their measures.

Front

If angle A and angle B are vertical angles, and angle A measures 160 degrees, what is the measure of angle B?

Back

Angle B also measures 160 degrees.

Front

What is an example of a pair of complementary angles?

Back

An example of complementary angles is 30 degrees and 60 degrees, as their sum is 90 degrees.