За умовою СОЕ = 90°
СОD = 35°
DOE = 90° - 35° = 55°
ВОD = 80°
BOC = BOD - COD = 80° - 35° = 45°
AOC = 90°
AOB = AOC - BOC = 90° - 45° = 45°
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За умовою СОЕ = 90°
СОD = 35°
DOE = 90° - 35° = 55°
ВОD = 80°
BOC = BOD - COD = 80° - 35° = 45°
AOC = 90°
AOB = AOC - BOC = 90° - 45° = 45°