Complementary, Supplementary, and Vertical Angles

If two angles are supplementary, what is the sum of their measures?

• 180 degrees

• 360 degrees

• 90 degrees

• 270 degrees

What are complementary angles?

• Two angles that are equal in measure

• Two angles that add up to 90 degrees

• Two angles that add up to 180 degrees

• Two angles that are adjacent to each other

If one angle measures 45 degrees, what is the measure of its complementary angle?

• 45 degrees

• 90 degrees

• 30 degrees

• 180 degrees

What is the value of "x"?

• 20

• 30

• 25

• 15

If m∠1 = 30°, then m∠3 =

• 30°

• 60°

• 150°

• 70°

If one angle measures 120 degrees, what is the measure of its supplementary angle?

• 180

• 60

• 90

• 45

What are vertical angles?

• Opposite angles that are formed by two intersecting lines

• Angles that are next to each other

• Angles that are formed by two parallel lines

• Angles that add up to 180 degrees

If one angle measures 60 degrees, what is the measure of its vertical angle?

• 90 degrees

• 120 degrees

• 60 degrees

• 30 degrees

If two angles are complementary, what is the sum of their measures?

• 90 degrees

• 60 degrees

• 180 degrees

• 45 degrees

If two angles are vertical, what is the relationship between their measures?

• Parallel

• Congruent

• Obtuse

• Acute