Question

ans me this que
muze smz ni a rha​

Answer 1

Answer:

∠BCD = 20°

Step-by-step explanation:

∵ AB || CD

∴ ∠ ABC = ∠ BCD = 70°

∵ CD || EF

∴ ∠ FEC + ∠ECD = 180°

∴ 130° + ∠ECD = 180°

∴ ∠ECD = 50°

∴ ∠BCE = ∠BCD - ∠ECD

∴∠ BCE = 70° - 50°

∴ ∠BCD = 20°

Hope this helps,

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