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Answer:
Step-by-step explanation:
(2x + 4x + 6x) * 2 = 360*
2x + 4x + 6x = 180°
12x = 180°
x = 180 : 12
x = 15
(2x + x) * 2 = 360
2x + x = 180
3x = 180
x = 180 : 3
x = 60°