Show:
Vocabulary
Planes
Lines and Line Segments
Intersections
Miscellaneous
100
An object that has a starting point and goes infinitely in one direction.
What is a ray.
100
How many rays form the sides of an angle?
What is 2.
100

Write a ray from point P to point Q.

What is PQ.

100
Two lines that intersect and form four 90 degree angles.
What are perpendicular lines.
100
It takes this many points to make a line.
What is 2
200
A basic geometric object that has two endpoints.
What is a line segment.
200

It's the thickness of a plane.

What is zero thickness?

200

Two ways to express a line segment containing the points R and S.

What are RS and SR?

200
What is formed when two lines intersect?
What is a point.
200
Points that lie on the same line.
What is collinear
300
A geometric object that goes infinitely in two directions.
What is a line.
300

How far does a plane extend?

What is infinite?

300

It's what points on the same line are called.

What is collinear?

300
What is formed when two planes intersect.
What is a line.
300
Points that lie in the same plane.
What is coplanar
400
A line, segment, or ray that cuts an angle or another segment in half.
What is a bisector.
400

It's what two lines in the same plane are called.

What is coplanar?

400

Two lines in the same plane that never meet are called.

What are parallel lines.

400
The term given to two lines or two planes that do not intersect.
What is parallel.
400
How many points are needed to form a plane?
What is 3.
500
Formed by two rays that have a common endpoint.
What is an angle.
500

The number of lines and points that can be included in a plane.

What is infinitely many?

500

Two segments having the same measure are called.

Congruent segments.

500
The point in the middle of a line segment where a bisector would intersect the segment.
What is the midpoint.
500
A flat surface that extends indefinitely in all directions.
What is a plane.