Respuesta :

officialtiger

Answer:

139

Step-by-step explanation:

180 = x + 64+45

therefore: x = 139

GoBloxy

Answer:

x = 109

Steps:

the sum of triangle angles is 180, and since the x is an exterior angle then 180-(64+45) = 71 and since it is an exterior angle then 180-71 = 109.

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