Measures of Angle Pairs

Front

What are congruent angles?

Back

Angles that have the same measure.

Front

What are supplementary angles?

Back

Two angles that add up to 180 degrees.

Front

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

Back

Their measures are equal.

Front

What is the relationship between complementary angles?

Back

Two angles that add up to 90 degrees.

Front

How do you determine if two angles are supplementary?

Back

If the sum of their measures equals 180 degrees.

Front

What is the measure of each angle if two angles are supplementary and one measures 70 degrees?

Back

The other angle measures 110 degrees.

Front

If two angles are congruent and one measures 45 degrees, what is the measure of the other angle?

Back

The other angle also measures 45 degrees.

Front

What is the definition of vertical angles?

Back

Angles that are opposite each other when two lines intersect.

Front

What is true about the measures of vertical angles?

Back

Vertical angles are always congruent.

Front

If two angles are complementary and one measures 30 degrees, what is the measure of the other angle?

Back

The other angle measures 60 degrees.