Points, Lines, Planes, and Angles

Points, Lines, Planes, and Angles

Points and Lines

• A point has no dimension. It is represented by a dot.

• A line has one dimension. It is represented by a line with two arrowheads but extends without an end.

• Collinear points are points that lie on the same line.

Multiple Choice

A line that extends from a point in one direction and travels forever is called a ...

• perpendicular line
• line segment
• ray
• parallel line

Multiple Choice

What is a line segment?

• a section of line between 2 points
• a curve
• a drawing

Multiple Choice

How many points do you need to make a line?

• 1
• at least 2
• 3
• 4

Multiple Choice

What is a point?

• your finger tip
• an exact location in space
• a poke
• the end of your pencil

Planes

• A plane has two dimensions. It is represented by a shape that looks like a floor or a wall but extends without end.

• Coplanar points are points in the same plane.

Multiple Choice

What is a name for this line?

Multiple Choice

What is the name of this ray?

• $\overrightarrow{AB}$

• $\overrightarrow{BA}$

• $\overrightarrow{A}$

• $\overrightarrow{B}$

Multiple Choice

Two lines intersect at a ....

• angle
• point
• line
• intersection

Multiple Choice

Points that lie on the same plane are ________. 

• collinear
• coplanar
• parallel
• perpendicular

Multiple Choice

Name 4 collinear points

• HMNO
• IKNO
• MJOL
• HNKI

Multiple Choice

A line that contains point M.

• Line q
• Line p
• Line r
• Line NH

Multiple Choice

Use geometric terms to describe what is shown.

• plane

• parallel lines

• perpendicular lines

• point

Multiple Choice

An intersection is the point where 2 lines cross each other?

• true

• false

Multiple Choice

An intersection is the point where 2 lines cross each other?

• true

• false