Geometry Vocab - Points, Lines, Angles

Front

What is the term for two lines that intersect to form right angles?

Back

Perpendicular

Front

What type of lines are shown when they cross each other?

Back

Intersecting lines

Front

What is a set of points that form a straight path that goes in opposite directions without ending?

Back

Line

Front

What is an angle that measures more than 90 degrees but less than 180 degrees called?

Back

Obtuse angle

Front

What is a part of a line that starts at an endpoint and extends forever in one direction called?

Back

Ray

Front

What do you call two lines that never meet and are always the same distance apart?

Back

Parallel lines

Front

What is the point where two lines meet called?

Back

Vertex

Front

What is an angle that measures exactly 90 degrees called?

Back

Right angle

Front

What is the term for an angle that measures less than 90 degrees?

Back

Acute angle

Front

What is a straight line that connects two points called?

Back

Line segment