Angles 2·x + 2, and x + 50, formed by the transversal are alternate
exterior angles, which gives, x = 48°, the correct option is therefore;
A) 48
How can the value of x be calculated?
From the position of the angles image showing two parallel lines having
a common transversal we have;
Angle 2·x + 2 and angle x + 50 are alternate exterior angles
The alternate exterior angles formed by two parallel lines that have a
common transversal are equal, therefore;
2·x + 2 = x + 50
Which gives;
2·x - x = 50 - 2 = 48
x = 48°
Learn more about the angles formed by two lines having a common transversal here:
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