khans1432316 khans1432316
  • 03-01-2022
  • Mathematics
contestada

Please help me answer this. Ty

Please help me answer this Ty class=

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Kogarashi
Kogarashi Kogarashi
  • 03-01-2022

I think 63, but I'm not sure, how do I delete an answer-

Answer Link
yoyotam526
yoyotam526 yoyotam526
  • 03-01-2022

Answer:

x=63

Step-by-step explanation:

∠BAC=∠ACD=x(AB∥CD)

∠BCA=∠BAC=x(base∠s, isos△)

∠？BC+∠BCA=90（ext.∠of△）

27+x=90

x=90-27

x=63

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