Basic Geometry Vocabulary

Front

What is a location in space that is represented by a dot and has no dimensions?

Back

Point

Front

How can you name a line represented by the symbol l?

Back

Line l

Front

What do you call coplanar lines that do not intersect?

Back

Parallel Lines

Front

What is a flat surface made up of points that has two dimensions and extends without end?

Back

Plane

Front

What are segments that have the same length called?

Back

Congruent Segments

Front

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

Back

Perpendicular Lines

Front

What do you call a straight path that extends infinitely in both directions?

Back

Line

Front

What is the term for a part of a line that has two endpoints?

Back

Line Segment

Front

What is the term for a figure formed by two rays with a common endpoint?

Back

Angle

Front

What do you call the distance around a circle?

Back

Circumference