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Аленькийцветочек2005
@Аленькийцветочек2005
June 2022
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помогите прошу вас очень срочно9,10
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xxxeol
РЕШЕНИЕ
9.
∠ EFC = ∠BEF = 1/2* ∠BEN = 132°36' :2 = 66°16' - ОТВЕТ
10.
∠AEM + ∠ECN =2*∠BEN = 272° 18' - по формуле
∠BEN = 136° 9' -
∠NEF =1/2*BEN = ∠68° 4.5' - как биссектриса - ОТВЕТ
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Answers & Comments
9.
∠ EFC = ∠BEF = 1/2* ∠BEN = 132°36' :2 = 66°16' - ОТВЕТ
10.
∠AEM + ∠ECN =2*∠BEN = 272° 18' - по формуле
∠BEN = 136° 9' -
∠NEF =1/2*BEN = ∠68° 4.5' - как биссектриса - ОТВЕТ