Ответ:
49
Объяснение:
∠AFO = 180-32-54 = 94 ⇒ ∠EFB = 180 - 94 = 86
∠DEF = 180-45 = 135 ⇒ ∠FEB = 180-135 = 45
∠B = 180 - 86 - 45 = 49
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Ответ:
49
Объяснение:
∠AFO = 180-32-54 = 94 ⇒ ∠EFB = 180 - 94 = 86
∠DEF = 180-45 = 135 ⇒ ∠FEB = 180-135 = 45
∠B = 180 - 86 - 45 = 49