Discussion
two angles zaoc and zcob, with a common side oc, are
if c belongs to the interior of zaob.
the sum of angles on a straight line is 180°, and two such angles are called a linear pair. two angles are called
supplementary if the sum of their measures is
; two angles are called complementary if the sum of
their measures is
-. describing angles as supplementary or complementary refers only to the
measures of their angles. the positions of the angles or whether the pair of angles is adjacent to each other is not part
of the definition
lesson 6:
solve for unknown angles-angles and lines at a point
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