Subtend

usgb/səbˈtend/
verb

To be opposite to and delimited by the sides of a geometric figure.

The angle subtends an arc of the circle
Visual representation of "subtend" - To be opposite to and delimited by the sides of a geometric figure

Often appears as...

  • angle subtends an arc
  • arcs subtend the same angle

Usage tips

Technical

Definition 1 of 2
Visual representation of "subtend"
LampPro Tip 1/3

Geometry Usage

Used to describe how an angle relates to a shape in geometry, like an arc or line.

Illustration for Geometry Usage
In this triangle, the top angle subtends the base.
LampPro Tip 2/3

Visual Imagery

Imagine drawing lines from the angle's vertex to the endpoints of the arc or side it faces.

Illustration for Visual Imagery
This angle subtends a larger arc than that one.
LampPro Tip 3/3

More Than Angles

Though commonly associated with angles, other shapes can subtend parts of geometric figures.

Illustration for More Than Angles
The diameter of the circle subtends a semicircle.
Visual representation of the word "Subtend"

Never forget "Subtend"

Humans forget easily. That's why you should download WordUp: Smart reminders, word games, AI practice, and much more!

Download on the App StoreGet it on Google PlayGet it from MicrosoftGet it on AppGallery
Chrome

WordUp Chrome Extension

As you browse the web instantly look up words you don’t know.

Get Chrome Extension
Back to top