reimanjr9186
27.01.2020 •
Mathematics
The measure of an angle is 21 more than twice its supplement find the measure of each angle
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Ответ:
Now rewrite the English in math language:
x = 21 + 2(180 - x) →x = 21 + 360 - 2x
x + 2x = 381
x = 127°
Ответ: