Understanding Angles Quiz

What defines two angles as adjacent?

• They share a common side and a common vertex.

• They add up to 180 degrees.

• They add up to 90 degrees.

• They are equal in measure.

Which of the following pairs of angles are considered supplementary?

• Two angles that are equal.

• Two angles that add up to 180 degrees.

• Two angles that share a common side and vertex.

• Two angles that add up to 90 degrees.

Which of the following is an example of nonadjacent supplementary angles?

• Two angles that add up to 180 degrees and share a common side.

• Two angles that add up to 180 degrees but do not share a common side or vertex.

• Two angles that are equal and share a common vertex.

• Two angles that add up to 90 degrees and share a common side.

What is true about opposite angles?

• They add up to 180 degrees.

• They are always equal to each other.

• They share a common side.

• They add up to 90 degrees.

How are complementary angles defined?

• They share a common side and vertex.

• They add up to 90 degrees.

• They are equal in measure.

• They add up to 180 degrees.