Lines, Rays, Angles

Front

What is an obtuse angle?

Back

An obtuse angle is an angle that is greater than 90 degrees but less than 180 degrees.

Tags

CCSS.4.G.A.1

Front

What is a line segment?

Back

A line segment is a part of a line that has two endpoints.

Tags

CCSS.HSG.CO.A.1

Front

What are perpendicular lines?

Back

Perpendicular lines are lines that intersect at a right angle (90 degrees).

Tags

CCSS.4.G.A.1

CCSS.HSG.CO.A.1

Front

How many degrees are in a right angle?

Back

A right angle measures 90 degrees.

Tags

CCSS.4.G.A.1

Front

What are parallel lines?

Back

Parallel lines are lines that never intersect and are always the same distance apart.

Tags

CCSS.HSG.CO.A.1

Front

What is a ray?

Back

A ray is a part of a line that starts at a point and extends infinitely in one direction.

Tags

CCSS.4.G.A.1

Front

What is an acute angle?

Back

An acute angle is an angle that is less than 90 degrees.

Tags

CCSS.4.G.A.1

Front

What is a straight angle?

Back

A straight angle is an angle that measures exactly 180 degrees.

Tags

CCSS.4.G.A.1

Front

What is the difference between a line and a line segment?

Back

A line extends infinitely in both directions, while a line segment has two endpoints.

Tags

CCSS.4.G.A.1

Front

What do we call two lines that intersect?

Back

Two lines that intersect are called intersecting lines.

Tags

CCSS.4.G.A.1

CCSS.HSG.CO.A.1