Respuesta :

Answer:

x= 156

Step-by-step explanation:

i had a test with the same question, i promise its right :)

mohammedsinanmunaj

Answer:

39

Step-by-step explanation:

taking triangle ABC with one angle x other angle b andc

also takin triangle acd

angle c=72 (as the sum of two interior angles=C[cis exterior angle of acd])

angle B=69(180-111[linear pair])

angle x=180-(72+69)

=39

this is correct

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