Geometry Vocabulary - Angles and Lines

An acute angle is_____________.

• more than 90 degrees

• less than 90 degrees

• equal to 90 degrees

• equal to 180 degrees

• equal to 360 degrees

Tags

CCSS.4.G.A.1

An obtuse angle is_____________.

• more than 90 degrees

• less than 90 degrees

• equal to 90 degrees

• equal to 180 degrees

• equal to 360 degrees

Tags

CCSS.4.G.A.1

A right angle is_____________.

• more than 90 degrees

• less than 90 degrees

• equal to 90 degrees

• equal to 180 degrees

• equal to 360 degrees

Tags

CCSS.4.G.A.1

A straight angle is_____________.

• more than 90 degrees

• less than 90 degrees

• equal to 90 degrees

• equal to 180 degrees

• equal to 360 degrees

Tags

CCSS.4.G.A.1

A circle is_____________.

• more than 90 degrees

• less than 90 degrees

• equal to 90 degrees

• equal to 180 degrees

• equal to 360 degrees

Tags

CCSS.4.MD.C.5B

CCSS.HSG.CO.A.1

Complementary angles _____________.

• always equal

• more than 180 degrees but less than 360 degrees

• add up to 90 degrees

• add up to 180 degrees

• equal to 180 degrees

Tags

CCSS.7.G.B.5

Supplementary angles _____________.

• always equal

• more than 180 degrees but less than 360 degrees

• add up to 90 degrees

• add up to 180 degrees

Tags

CCSS.7.G.B.5

Opposite angles are _____________.

• always equal

• more than 180 degrees but less than 360 degrees

• adds up to 90 degrees

• adds up to 180 degrees

Tags

CCSS.7.G.B.5

Reflex angles are _____________.

• always equal

• more than 180 degrees but less than 360 degrees

• adds up to 90 degrees

• adds up to 180 degrees

Tags

CCSS.4.G.A.1

All angles in a triangle _____________.

• always equal

• more than 180 degrees but less than 360 degrees

• adds up to 90 degrees

• add up to 180 degrees

Tags

CCSS.8.G.A.5