Exploring Complementary and Supplementary Angles

What is the sum of complementary angles?

• 180 degrees

• 90 degrees

• 45 degrees

• 360 degrees

What defines supplementary angles?

• Angles that are opposite at the vertex

• Adjacent angles

• Angles that sum up to 90 degrees

• Angles that sum up to 180 degrees

What are vertical angles?

• Angles that share a common side

• Angles that sum up to 180 degrees

• Angles opposite each other when two lines intersect

• Angles that sum up to 90 degrees

How are adjacent angles positioned?

• Next to each other sharing a vertex

• Summing up to 90 degrees

• Opposite each other at the intersection

• Summing up to 180 degrees

If one angle is 45 degrees, what is its complementary angle?

• 45 degrees

• 180 degrees

• 135 degrees

• 90 degrees

What is the measure of an angle that is supplementary to a 120-degree angle?

• 180 degrees

• 60 degrees

• 240 degrees

• 120 degrees

If two angles are vertical and one measures 80 degrees, what is the measure of the other?

• 100 degrees

• 90 degrees

• 80 degrees

• 180 degrees

In a diagram, if angle A and angle B are adjacent and form a straight line, what type of angles are they?

• None of the above

• Complementary

• Supplementary

• Vertical

If angle X is 30 degrees and is complementary to angle Y, what is the measure of angle Y?

• 30 degrees

• 90 degrees

• 60 degrees

• 150 degrees

An angle measures 70 degrees. What is the measure of its supplementary angle?

• 110 degrees

• 180 degrees

• 100 degrees

• 20 degrees