Vocabulary
Angles
Angles Part II
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
An angle that measures between 90 and 180 degrees.
What is an obtuse angle.
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

Name the point where the two rays of an angle meet.

What is the vertex.

200
An angle that measures between 0 and 90 degrees.
What is an acute angle.
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

What are opposite rays?

Two rays that share the same endpoint and extend infinitely in opposite directions, forming a straight line.

300
Two angles that share one side and form a line with the non-sharing sides.
What are a linear pair.
300
What is formed when two planes intersect.
What is a line.
300
Points that lie in the same plane.
What is coplanar
400

An exact position or location

What is a point.

400
Two angles who sum of measures is 90 degrees.
What are complementary angles
400
Two angles whose sum of measures is 180 degrees.
What are supplementary angles.
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

An angle that measures more than 180 degrees but less than 360 degrees.

What is reflex angle.

500

An angle that measures exactly 360 degrees.

What is revolution or angle at a point.

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.
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