Definition of complementary angle in English:

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complementary angle

Pronunciation:

noun

Either of two angles whose sum is 90°.
Example sentences
  • Angle A and angle B are complementary angles.
  • It took a full fifteen minutes for him to understand supplementary and complementary angles.
  • So what happened to him was that he was struck and flung in a north-easterly direction generally and he came out again at a complementary angle in a south-easterly direction until he was lying on the fog line.
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