Look up supplementary in Wiktionary, the free dictionary.
A pair of angles is supplementary if their measurements add up to 180 degrees. Wikipedia does not have an article with this exact name. ... Wiktionary (a portmanteau of wiki and dictionary) is a multilingual, Web-based project to create a free content dictionary, available in over 150 languages. ... This article is about angles in geometry. ... This article describes the unit of angle. ...
If the two supplementary angles are adjacent (i.e. have a common vertex and share a side, but do not have any interior points in common) their non-shared sides form a straight line. In the illustration, angles A and B are adjacent. ... “Line†redirects here. ...
A pair of complementary angles, because they add up to 90 degrees. ... This article is about angles in geometry. ... For alternate meanings, such as the musical instrument, see triangle (disambiguation). ... The geometric definition of a line segment In geometry, a line segment is a part of a line that is bounded by two end points, and contains every point on the line between its end points. ... Parallel Lines, released in 1978, was the third album from the band Blondie, and also their most popular and best selling. ...
External links
Animated demonstration - Interactive applet and explanation of the characteristics of supplementary angles.
Angle definition pages with interactive applets that are also useful in a classroom setting. Math Open Reference
Therefore, the sum of a pair of supplementaryangles is not defined!
It is also possible to define the multiplication of a free angle by a positive integer, provided that the resulting angle is a well-defined free angle.
This is version 13 of angle, born on 2005-10-18, modified 2005-10-28.
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