Respuesta :

Answer:x equals 67. 154 minus 87 is 67. 67 + 87 = 154.

Step-by-step explanation:

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Answer:

x=57°

Step-by-step explanation:

The unknown angle opposite x=180-154 (angles on a straight line)

=26°

Now

x=180-87-26 (angles of a triangle add up to 180°)

x=57°