thanerose
27.08.2019 •
Mathematics
Can someone me with this.
i'm not good with graphs
Solved
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Ответ:
∠BCD = 34°
Step-by-step explanation:
∠FCE + ∠FCA + ∠ACB = 180° ( straight angle ), thus
∠FCE + 90 + 56 = 180, that is
∠FCE + 146 = 180 ( subtract 146 from both sides )
∠FCE = 34°, hence
∠BCD = ∠FCE = 34° ( vertical angles )
Ответ: