Intro to Points, Lines and Planes

Front

How many points do you need to make a line?

Back

At least 2 points are needed to define a line.

Front

What is the name of a straight path that extends infinitely in both directions?

Back

Line

Front

What is a flat surface made up of points that has two dimensions and extends without end?

Back

Plane

Front

What do you call points that lie on the same line?

Back

Collinear points.

Front

Name two points collinear to Point K.

Back

J & L are collinear to Point K.

Front

What is a point in geometry?

Back

A point is a specific location in space with no dimensions.

Front

What is a line segment?

Back

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

Front

What is a ray in geometry?

Back

A ray is a part of a line that has one endpoint and extends infinitely in one direction.

Front

What are parallel lines?

Back

Parallel lines are lines in a plane that never meet and are always the same distance apart.

Front

What are perpendicular lines?

Back

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