Angles & Lines

Front

What is a ray?

Back

A ray is a line with one endpoint that extends infinitely in one direction.

Tags

CCSS.4.G.A.1

Front

What are intersecting lines?

Back

Intersecting lines are lines that cross at one point and form angles that are not right angles.

Tags

CCSS.4.G.A.1

CCSS.HSG.CO.A.1

Front

What are perpendicular lines?

Back

Perpendicular lines are lines that intersect to form four right angles.

Tags

CCSS.4.G.A.1

CCSS.HSG.CO.A.1

Front

What is an obtuse angle?

Back

An obtuse angle is an angle that is greater than a right angle (90 degrees) and less than a straight angle (180 degrees).

Tags

CCSS.4.G.A.1

Front

What is a line?

Back

A line is a straight path that goes on forever in both directions.

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 is a right angle?

Back

A right angle is an angle that measures exactly 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 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