Lines and Angles Concepts

Front

A flat surface made up of points that has two dimensions and extends without end.

Back

Plane

Front

Name the Image: A straight path that extends infinitely in both directions.

Back

Line

Front

Two planes intersect at a...

Back

line

Front

Two lines intersect at a ....

Back

point

Front

Points that lie on the same line are _________.

Back

collinear

Front

A part of a line that has a fixed starting point and extends infinitely in one direction is called a...

Back

Ray

Front

Two lines that never intersect and are always the same distance apart are called...

Back

Parallel lines

Front

An angle that measures exactly 90 degrees is called a...

Back

Right angle

Front

An angle that measures less than 90 degrees is called a...

Back

Acute angle

Front

An angle that measures more than 90 degrees but less than 180 degrees is called a...

Back

Obtuse angle