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To determine the measure of x, we need to consider the angles formed by the intersection of the bottom and left side.
Since the sum of angles in a triangle is always 180 degrees, we can calculate the measure of the third angle:
Third angle = 180 degrees - 10 degrees (bottom angle) - 25 degrees (left side angle)
= 180 degrees - 35 degrees
= 145 degrees
Therefore, the measure of x is 145 degrees.