Understanding Angle Pairs Flashcard

Front

What are supplementary angles?

Back

Supplementary angles are two angles whose measures add up to 180 degrees.

Front

Back

Front

Back

y = 20.

Front

Name an angle that is adjacent to angle 2 in a figure.

Back

Angle 1 is adjacent to angle 2.

Front

What is the definition of complementary angles?

Back

Complementary angles are two angles whose measures add up to 90 degrees.

Front

If angle A is 4 degrees greater than angle B and they are complementary, what is the equation to find the angles?

Back

Front

What are vertical angles?

Back

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

Front

Which angle pair is formed when two parallel lines are cut by a transversal?

Back

Alternate Interior Angles.

Front

What is the sum of the measures of two supplementary angles?

Back

The sum is 180 degrees.

Front

If angle A measures 43 degrees, what is the measure of its complementary angle?

Back

The measure of the complementary angle is 47 degrees.