The explementary arc of an arc of a circle is the arc forming together with the full circle.
Two angles are called explementary angles of each other, if their sum is the full angle, i.e. . In the below picture, the interior angle
of an equilateral triangle and its explementary angle
(which is an exterior angle of the triangle) are seen.
This is version 4 of explementary, born on 2007-10-11, modified 2008-02-04.
Object id is 9988, canonical name is Explementary.
Accessed 685 times total.
![[parent]](http://images.planetmath.org:8080/images/uparrow.png)
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