Jawab:
x = 72°
∠BFC = 108°
Penjelasan :
∠ABC = ∠EDF
2x - 57° = x + 15°
2x - x = 15 + 57
∠BFC = 180° - x
∠BFC = 180° - 72°
Semoga bermanfaat :)
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Jawab:
x = 72°
∠BFC = 108°
Penjelasan :
∠ABC = ∠EDF
2x - 57° = x + 15°
2x - x = 15 + 57
x = 72°
∠BFC = 180° - x
∠BFC = 180° - 72°
∠BFC = 108°
Semoga bermanfaat :)