Respuesta :

Since we have a transverse line that cuts through the straight line parallel to the height, then we can see that the angles are divided into two sections.

We also have vertically opposite angles, since the angle sum of a straight line is 180°. We have perpendicular lines since we are given a 90° angle. Thus, we know the missing angle is 45°.

Thus, 45 + x = 180
x = 135°

Answer:

The value of angle x is 135°.

Step-by-step explanation:

In the given figure, two straight lines l and m are intersecting each other at point O.

When two straight lines intersect each other the vertically opposite angles are always equal.

Lines n is perpendicular to line l.

x = 45° + 90° = 135°

The value of angle x is 135°.

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