FE=DE ⇒ ∠EFD = ∠EDF = 41°
∠FED = 180−(∠EFD+∠EDF) = 180−(41+41) = 180−82 = 98°
∠FED = 98°
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FE=DE ⇒ ∠EFD = ∠EDF = 41°
∠FED = 180−(∠EFD+∠EDF) = 180−(41+41) = 180−82 = 98°
∠FED = 98°