
Subtend
Geometry Usage
Used to describe how an angle relates to a shape in geometry, like an arc or line.
In this triangle, the top angle subtends the base.
Visual Imagery
Imagine drawing lines from the angle's vertex to the endpoints of the arc or side it faces.
This angle subtends a larger arc than that one.
More Than Angles
Though commonly associated with angles, other shapes can subtend parts of geometric figures.
The diameter of the circle subtends a semicircle.