What is a point?
A location with no size or shape
What is a line?
A straight path that goes on forever in both directions.
What is a plane?
A flat surface that goes on forever
What happens when two line cross each other?
They intersect at one point
What tool would you use to get a straight line?
A rule
What letter case is used to label a point?
Capital Letters
How do you label a line?
With two points or a lowercase letter
How many non-collinear points do you need to define a plane?
Three points
What is the intersection of two planes(if not parallel)?
A line
What is space between two points called?
A line segment
How many points does it take to define a line?
Two
What does arrows mean on both ends of a line mean?
The line goes on forever.
What is the intersection of a plane and a line (If they meet)?
A point
True or False Two planes can intersect at more than one line
False
What do you call part of a line that has one endpoint?
A ray
What is formed by the intersections of two lines?
A point
What is the intersection of two planes (if they are not parallel)?
A line
True or False A plane has edges
False
What happens when a line intersects a plane?
They intersected at a point
What do you call points that lie on the same line?
Collinear points
True or False A point has length and width.
False
What kind of line crosses another line at a right angle?
A perpendicular line
Name a real example of a plane
A whiteboard or wall
What is it called when three planes intersect at the same point?
A point of concurrency
What do you call points that lie on the same plane?
Coplanar points