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babygirlqueen5588
21.11.2019 •
Mathematics
If 678 + -67 is x, then what is x?
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Ответ:
So... 678 + (-67) = 611
Ответ:
x = 80°
Step-by-step explanation:
The full angle of the straight line is 180°. We already have 100°, so we need to find out what is left over for x
180 - 100 = 80
So the angle of x is 80°