Ответ:
120° + 60° = 180° => a||b
120 + 60 = 180
x+ x + 10 = 180
2x = 170
x = 85°
x + 10 = 95°
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Ответ:
120° + 60° = 180° => a||b
120 + 60 = 180
x+ x + 10 = 180
2x = 170
x = 85°
x + 10 = 95°