Angle Relationships Practice

The diagram shows a linear pair, or two adjacent supplementary angles.

Which equation could be used to find the value of x?

• 2x + 40 = 180

• 2x + 40 = 90

• 3x + 40 = 90

• x² + 40 = 180

Line PS is perpendicular to line UR.

What is the measure of ∠PVQ?

• 25°

• 45°

• 68°

• 72°

In the figure, ∠JKM and ∠MKN are complementary.

What is the measure of ∠NKP?

• 30°

• 50°

• 60°

• 90°

∠JKM and ∠MKL are supplementary.

What is the measure of ∠MKL?

• 100°

• 105°

• 108°

• 111°

Two angles, ∠J and ∠K are supplementary. The measure of ∠J is (2x+5)°. The measure of ∠K is (3x-10)°. What is the measure of ∠K?

• 47°

• 79°

• 88°

• 101°

∠PRT is a straight angle.

What is the measure of ∠QRT?

• 60°

• 75°

• 120°

• 135°

∠1 and ∠3 can best be described as -

• complementary angles
• supplementary angles
• vertical angles
• adjacent angles

Linear pairs are __________________.

• congruent
• complementary
• supplementary
• vertical

What are supplementary angles?

• Angles that add up to 180°
• Angles that add up to 90°
• Angles that are equal to each other
• Angles that are opposite of each other when lines intersect

What are complementary angles?

• Angles that add up to 180°
• Angles that add up to 90°
• Angles that are equal to each other
• Angles that are opposite of each other when lines intersect.