Geometry Vocabulary

Front

Points that lie in the same plane are called ____________________.

Back

coplanar points

Front

A line and a line segment have no differences. (True/False)

Back

False

Front

A point that divides, or bisects, a segment into two congruent segments is called a ___________________.

Back

midpoint

Front

Which of the following words means the same as congruent? (different, same, greater, less)

Back

same

Front

A continuous straight extent of length, without breadth or thickness is called a ________________. It also has arrowheads on both sides.

Back

line

Front

A part of a line that has two endpoints is called a __________________.

Back

line segment

Front

A part of a line that starts at a point and extends infinitely in one direction is called a _________________.

Back

ray

Front

Two angles that add up to 90 degrees are called ____________________ angles.

Back

complementary angles

Front

Two angles that add up to 180 degrees are called ____________________ angles.

Back

supplementary angles

Front

A polygon with four sides is called a __________________.

Back

quadrilateral