Why Is a Line One Dimensional?

One Dimensional
A line segment drawn on a surface is a one-dimensional object, as it has only length and no width.

How is a line one-dimensional?

A line is a straight one-dimensional figure having no thickness and extending infinitely in both directions. A line is sometimes called a straight line or, more archaically, a right line (Casey 1893), to emphasize that it has no "wiggles" anywhere along its length.

Is a line always one-dimensional?

A line is one-dimensional. ... So we have two dimensions, or "2D". Circles, triangles, squares and more are plane shapes. Now we let that point move in another completely different direction and we have three dimensions.

Alexander Ross

Alexander Ross

Gaming, Esports & Interactive Media Writer

Alexander Ross has covered the video game industry for a decade, writing deep dives on game design, esports tournaments, VR developments, and gaming culture.