Answer:
x = 36
Explanation:
180 - 109 = 71 degrees
other angle is 39 degrees
39 + 71 = 110
180 - 110 = 70
70 - 34 = 36
The angles of the triangle are (36+34) 70, 39, and 71 degrees, adding up to 180 degrees, which is correct.
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