Ответ:
1. 2x + 30 = 180
2. (360 - (30 * 2)) : 2 = 150
Объяснение:
AOB = 75 + 30 = 105
BOC = 75
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Ответ:
1. 2x + 30 = 180
2. (360 - (30 * 2)) : 2 = 150
Объяснение:
AOB = 75 + 30 = 105
BOC = 75