find the value of x. \n$x = \\square$

Explanation:

Step1: Find interior adjacent angle

The 139° angle is supplementary to the interior angle of the triangle, so calculate: $180^\circ - 139^\circ = 41^\circ$

Step2: Calculate $x$ using triangle sum

The sum of angles in a triangle is $180^\circ$. Subtract the two known angles: $x = 180^\circ - 37^\circ - 41^\circ$

Answer:

$102^\circ$