complementary angles

2 definitions found

complementary angles - Collaborative International Dictionary of English v.0.48 :

  Complementary \Com`ple*men"ta*ry\, a.
     Serving to fill out or to complete; as, complementary
     numbers.
     [1913 Webster]
  
     Complementary colors. See under Color.
  
     Complementary angles (Math.), two angles whose sum is
        90[deg].
        [1913 Webster]

complementary angles - WordNet (r) 2.1 (2005) :

  complementary angles
      n 1: two angles whose sum is a right angle