Happygirl9278 Happygirl9278
  • 27-11-2017
  • Mathematics
contestada

Find the measures of two complementary angles if one angle is 18degrees more than three times the other angle.

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chudung1976
chudung1976 chudung1976
  • 30-11-2017
We call these angles a and b.
we have the sum a+b=90
and 3b+18=a
So we have this equation by replacing
3b+18+b=90 or 4b=72 or b=18 and a=72
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