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Topic: MATHS


complementary

adjective
     
com‧ple‧men‧ta‧ry
1 complementary things go well together, although they are usually different:
The computer and the human mind have different but complementary abilities.
2 technical complementary colours of light are very different and combine to make white
3HM technical two angles that are complementary add up to 90 degrees
complementarity noun [uncountable]
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