Supplementary, Complementary and Vertical Angles

If one angle is 70 degrees, what is its supplementary angle?

• 90 degrees

• 100 degrees

• 110 degrees

• 120 degrees

What are supplementary angles?

• Two angles whose measures add up to 90 degrees.

• Two angles whose measures add up to 180 degrees.

• Two angles that are adjacent to each other.

• Two angles that are equal in measure.

If two angles are supplementary and one angle measures 90 degrees, what is the other angle?

• 70 degrees

• 90 degrees

• 100 degrees

• 180 degrees

If one angle is 30 degrees, what is its complementary angle?

• 45 degrees

• 60 degrees

• 75 degrees

• 90 degrees

If ∠1 and ∠2 are vertical angles and ∠1 = 45 degrees, what is ∠2?

• ∠2 = 30 degrees

• ∠2 = 45 degrees

• ∠2 = 60 degrees

• ∠2 = 90 degrees

If ∠A and ∠B are supplementary and ∠A = 135 degrees, what is ∠B?

• 30 degrees

• 45 degrees

• 60 degrees

• 75 degrees

What is the relationship between vertical angles?

• Vertical angles are equal in measure.

• Vertical angles are supplementary.

• Vertical angles are complementary.

• Vertical angles are always acute.

What are complementary angles?

• Two angles whose measures add up to 90 degrees.

• Two angles that are equal in measure.

• Two angles that add up to 180 degrees.

• Two angles that are adjacent to each other.

Find the value of x if x + 70 = 180.

• x = 90 degrees

• x = 100 degrees

• x = 110 degrees

• x = 120 degrees

What are vertical angles?

• Angles that are adjacent to each other when two lines intersect.

• Angles that are opposite each other when two lines intersect. They are always equal.

• Angles that are supplementary to each other when two lines intersect.

• Angles that are complementary to each other when two lines intersect.