Basic Geometry Terms

What is an angle that measures exactly 90 degrees called?

• Acute angle

• Right angle

• Obtuse angle

• Straight angle

Tags

CCSS.4.G.A.1

Which of the following angles is less than 90 degrees?

• Acute angle

• Right angle

• Obtuse angle

• Reflex angle

Tags

CCSS.4.G.A.1

An angle that measures more than 90 degrees but less than 180 degrees is called what?

• Acute angle

• Right angle

• Obtuse angle

• Straight angle

Tags

CCSS.4.G.A.1

What is the measure of a straight angle?

• 90 degrees

• 180 degrees

• 270 degrees

• 360 degrees

Tags

CCSS.4.G.A.1

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

• Supplementary angles

• Complementary angles

• Adjacent angles

• Vertical angles

Tags

CCSS.7.G.B.5

What type of angle measures exactly 180 degrees?

• Acute angle

• Right angle

• Straight angle

• Reflex angle

Tags

CCSS.4.G.A.1

What is the term for two angles whose measures add up to 180 degrees?

• Supplementary angles

• Complementary angles

• Adjacent angles

• Vertical angles

Tags

CCSS.7.G.B.5

If two angles are equal and together form a straight line, each angle is called what?

• Right angle

• Acute angle

• Obtuse angle

• Straight angle

Tags

CCSS.7.G.B.5

What is the term for an angle that is less than 360 degrees but more than 180 degrees?

• Acute angle

• Right angle

• Obtuse angle

• Reflex angle

Tags

CCSS.4.G.A.1

Which of the following angles can be classified as an obtuse angle?

• An angle measuring 45 degrees

• An angle measuring 90 degrees

• An angle measuring 135 degrees

• An angle measuring 180 degrees

Tags

CCSS.4.G.A.1