Geometry Basics Flashcards

Front

point

Back

A location in space.

Front

line

Back

A set of points continuing without end in both directions.

Front

line segment

Back

a part of a line that has two endpoints

Front

ray

Back

a part of a line that starts at an endpoint and extends forever in one direction

Front

angle

Back

two rays with a common endpoint

Front

acute angle

Back

an angle that measures less than 90 degrees

Front

right angle

Back

an angle that measures 90 degrees

Front

obtuse angle

Back

An angle that measures more than 90 degrees but less than 180 degrees

Front

straight angle

Back

an angle that measures 180 degrees

Front

parallel lines

Back

lines that never intersect