Angles

What is the term for an angle that measures exactly 0 degrees?

• Zero angle

• Acute angle

• Obtuse angle

• Right angle

What is an angle whose measure is exactly 90 degrees?

• Acute angle

• Obtuse angle

• Right angle

• Straight angle

What is the measure of a right angle?

• 45 degrees

• 90 degrees

• 120 degrees

• 180 degrees

What is the measure of an obtuse angle?

• Less than 90 degrees

• Exactly 90 degrees

• Greater than 90 degrees and less than 180 degrees

• Greater than 180 degrees

What is the term for angles that are opposite each other when two lines cross?

• Adjacent angles

• Complementary angles

• Vertical angles

• Supplementary angles

If one angle measures 30 degrees, what is the measure of its complementary angle?

• 30 degrees

• 45 degrees

• 60 degrees

• 90 degrees

What is the term for an angle that measures exactly 180 degrees?

• Acute angle

• Obtuse angle

• Straight angle

• Right angle

What type of angles are less than 90 degrees?

• Obtuse angles

• Right angles

• Acute angles

• Straight angles

If one angle measures 120 degrees, what is the measure of its supplementary angle?

• 60 degrees

• 30 degrees

• 90 degrees

• 120 degrees

What is the measure of a straight angle?

• 90 degrees

• 180 degrees

• 360 degrees

• 45 degrees