Subtend
verb
To be opposite to and delimited by the sides of a geometric figure.
The angle subtends an arc of the circle

Often appears as...
- angle subtends an arc
- arcs subtend the same angle
Usage tips
Technical
verb
To underlie so as to enclose or surround.
The metal dome subtends the entire machine.

Often appears as...
- subtends the entire
- subtends an area
Usage tips
Technical
verb
To be opposite to and delimited by the sides of a geometric figure.
The angle subtends an arc of the circle

Often appears as...
- angle subtends an arc
- arcs subtend the same angle
Usage tips
Technical
verb
To underlie so as to enclose or surround.
The metal dome subtends the entire machine.

Often appears as...
- subtends the entire
- subtends an area
Usage tips
Technical
Definition 1 of 2

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.
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.
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.
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