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19.12.2020 •
Mathematics
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Answers on questions: Mathematics
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Ответ:
Step-by-step explanation:
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Ответ:
The smaller angle is 18 degrees
The larger angle is 72 degrees
Step-by-step explanation:
x = smaller angle
y = larger angle
y = 4x ---> one angle is 4 times larger than other one.
y + x = 90 > the sum of complementary angles is 90 degrees
4x + x = 90 > plug in 4x for the larger angle (y) and then solve
5x = 90
x = 18 > the smaller angle is 18 degrees
y = 90 - 18
y = 72 > the larger angle is 72 degrees