External angles

angles formed by the sides of any right-lined figure, when the sides are produced or lengthened.
(Geom.) See under Angle.

See also: Angle, External

Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
References in periodicals archive ?
No discussion of internal and external angles occurs, which is especially notable because you more often use a 135-degree turn to make a 45-degree angle with the turtle.
The floor to wall intersections and internal and external angles must be adequately coved and, in some cases, protected by kerbing and dressed and coved, allowing a hygienic bacteria-free junction between the wall and floor finishes.

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