Answer:
The sum of interior angles in a triangle is 180°.
So we just have to add Al the angles and equate them to 189°
Step-by-step explanation:
[tex]70 + 65 + x + 35 = 180 \\ 135 + 35 + x = 180 \\ 170 + x = 180 \\ x = 180 - 170 \\ x = 10[/tex]
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