Intro to Geometry Vocab

Front

Right angle?

Back

90 degrees

Tags

CCSS.4.G.A.1

Front

Acute angle

Back

Measures < 90°

Tags

CCSS.4.G.A.1

Front

Obtuse angle:

Back

Measures > 90° and < 180°.

Tags

CCSS.4.G.A.1

Front

Straight angle?

Back

Measures exactly 180 degrees.

Tags

CCSS.4.G.A.1

Front

Two angles that add to 180°.

Back

supplementary

Tags

CCSS.7.G.B.5

Front

Two angles that add up to 90.

Back

complementary

Tags

CCSS.7.G.B.5

Front

Meaning of the math symbol?

Back

Congruent

Tags

CCSS.8.G.A.2

Front

Opposite congruent angles formed by intersecting lines.

Back

Vertical Angles

Tags

CCSS.7.G.B.5

Front

Types of lines: line, ray, line segment

Back

line segment

Tags

CCSS.4.G.A.1

Front

Identify the type of geometric figure:

Back

line

Tags

CCSS.4.G.A.1