Included side
From Latin: includere "to shut in, enclose"
Definition: The common leg of two angles.


Usually found in triangles and other polygons, the included side is one that links two angles together. Think of it as being 'included' between two angles.

See also Included angles

Other line topics

COMMON CORE

Math Open Reference now has a Common Core alignment.

See which resources are available on this site for each element of the Common Core standards.

Check it out