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23.07.2019 •
Mathematics
Find the measures of two complementary angles if one angle is 18degrees more than three times the other angle.
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Ответ:
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
Ответ:
C
Step-by-step explanation: