Angles

What is the definition of a right angle?

• An angle that measures 45 degrees.

• An angle that measures exactly 90 degrees.

• An angle that measures 180 degrees.

• An angle that measures 270 degrees.

Name the different types of angles based on their measurement.

• Straight lines

• Obtuse triangles

• Reflex angles

• Acute angles, Right angles, Obtuse angles, Straight angles

If two angles add up to 90 degrees, what type of angles are they?

• Vertical angles

• Supplementary angles

• Complementary angles

• Acute angles

What is the relationship between vertical angles?

• Vertical angles are congruent.

• Vertical angles are parallel.

• Vertical angles are supplementary.

• Vertical angles are complementary.

Explain what complementary angles are.

• Complementary angles add up to 180 degrees.

• Complementary angles are parallel to each other.

• Complementary angles are always acute angles.

• Complementary angles add up to 90 degrees.

If two angles add up to 180 degrees, what type of angles are they?

• Vertical angles

• Complementary angles

• Supplementary angles

• Acute angles

What is the sum of angles in a straight line?

• 90 degrees

• 270 degrees

• 360 degrees

• 180 degrees

Define supplementary angles.

• Two angles whose measures add up to 360 degrees

• Two angles whose measures add up to 90 degrees

• Two angles whose measures add up to 180 degrees.

• Two angles whose measures add up to 270 degrees

What is the relationship between adjacent angles?

• Adjacent angles are supplementary.

• Adjacent angles are congruent.

• Adjacent angles are parallel.

• Adjacent angles are complementary.

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

• 90 degrees

• 180 degrees

• 45 degrees

• 60 degrees