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vampirchik [111]
3 years ago
8

Can someone explain to me how to do this

Mathematics
2 answers:
soldier1979 [14.2K]3 years ago
8 0
60+60+60=180
180/60=30
x=30

Otrada [13]3 years ago
3 0
Angles on a straight line add up to 180°, so:

x + 60 = 180

x = 180 - 60

x = 120°
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