Angle Pair Review

Complementary

100

If angle A and angle B are complements, their sum is ____.

90 degrees

200

Another angle that has 90 degrees

A right angle

300

TRUE OR FALSE: A complement of an angle is sometimes obtuse.

False

400

If angle X has a measure of 12 degrees, what is its complement?

78 degrees

500

If a pair of complementary angles have measures -4x+7 and 6x-3, what is x?

x=43

Supplementary

100

If angle G and angle H are supplements, the sum of their measures is _____.

180 degrees.

200

A ______________ also has a measure of 180 degrees.

A straight line

300

True or False: The supplement of a right angle is also a right angle.

True

400

If angle P has a measure of 34 degrees, what is its supplement?

146 degrees

500

If a pair of supplementary angles have measures of 19x+23 and 6x-43, can you find x

x=8

Vocabulary

100

Angles that are greater than 90 degrees

Obtuse

200

Angles that are less than 90 degrees

Acute

300

The angles that are opposite from each other and congruent are called _________ angles.

Vertical angles.

400

What is the name of the tool used to measure angles

Protractor

500

A ray that is used to divide an angle into two congruent parts is called a ____________

Bisector

Angle Pair Relationships

100

Congruent angles are _______.

Equal.

200

Two angles are adjacent if they share a common _____

side

300

If two angles form a linear pair, then they are __________.

Supplementary

400

If two angles are vertical angles, then they are ____________.

Congruent

500

If angle A and angle B are vertical angles and angle B has a measure of 110 degrees, what is the measure of angle A?

110⁰

Find the Missing Angle

100

If angle A and angle B formed a linear pair and angle B has a measure of 100 degrees, what is the measure of angle A?

80 degrees.

200

If angle C and angle D are supplementary angles and angle C has a measure of 88 degrees, what is the measure of angle D?

92 degrees.

300

Two vertical angles have measures 3x+14 and 5x-4. Find x

x=9

400

Two angles form a linear pair, one angle is 4x-6 and the other is 86 degrees. Find x

x=25

500

Angle G and angle H are vertical angles. Angle G and angle K formed a linear pair.   If the measure of angle H is 60 degrees, what is the measure of angle K?

120 degrees.