Exploring Angle Pairs

What is the defining characteristic of adjacent angles?

• They are equal in measurement.

• They share a common side and are next to each other.

• They are always 90 degrees.

• They are across from each other on intersecting lines.

Which of the following statements is true about vertical angles?

• They are always congruent.

• They are always supplementary.

• They are always adjacent.

• They are always complementary.

If one vertical angle measures 83 degrees, what is the measure of the angle across from it?

• 97 degrees

• 83 degrees

• 180 degrees

• 90 degrees

What is the sum of complementary angles?

• 90 degrees

• 180 degrees

• 360 degrees

• 45 degrees

If two angles are complementary and one angle measures 30 degrees, what is the measure of the other angle?

• 30 degrees

• 90 degrees

• 150 degrees

• 60 degrees

What is the sum of supplementary angles?

• 90 degrees

• 180 degrees

• 360 degrees

• 45 degrees

If two angles are supplementary and one angle measures 120 degrees, what is the measure of the other angle?

• 30 degrees

• 90 degrees

• 120 degrees

• 60 degrees

What is a linear pair?

• Two angles that are both supplementary and congruent.

• Two angles that are both adjacent and supplementary.

• Two angles that are both complementary and adjacent.

• Two angles that are both vertical and congruent.

If two angles form a linear pair and one angle measures 110 degrees, what is the measure of the other angle?

• 70 degrees

• 110 degrees

• 90 degrees

• 180 degrees

Which of the following is true about angles in a linear pair?

• They are always equal.

• They always add up to 90 degrees.

• They are always complementary.

• They always add up to 180 degrees.