Geometry

Front

What is a line?

Back

A straight, continuous, infinite collection of points

Tags

CCSS.4.G.A.1

Front

What is a ray?

Back

Part of a line with an endpoint

Tags

CCSS.4.G.A.1

Front

What is an obtuse angle?

Back

Angle with a measure between 90º and 180º

Tags

CCSS.4.G.A.1

Front

What is a line segment?

Back

Part of a line with two endpoints

Tags

CCSS.HSG.CO.A.1

Front

Protractor

Back

A tool used to measure an angle

Tags

CCSS.4.MD.C.6

Front

What is a vertex?

Back

The shared end point of the sides of an angle

Front

What is a right angle?

Back

Angle measure 90º

Tags

CCSS.4.G.A.1

Front

Midpoint

Back

The middle point of an angle

Tags

CCSS.HSG.GPE.B.6

Front

What is an algebraic proof?

Back

Proofs using algebra

Front

What is a theorem?

Back

A statement that can be proven and that can also be used in later proof