verb
- to be opposite to and delimit (an arc or angle); to extend under or be opposite to
Usage: geometry; mathematics
Examples
- The chord subtended an arc of 60 degrees.
- In the triangle, the side subtended the right angle.
- The angle subtended by the arc at the center was measured.
- Two radii subtend equal arcs on the circle.
- The diameter subtends a semicircle.
- The inscribed angle subtended the same arc as the central angle.