What is the value of x? x = 2.25 x = 11.25 x = 13 x = 22?

Three of given lines form a triangle with measures of two interior angles and

The angle with measure is exterior angle of considered triangle.

The measure of exterior angle of triangle is equal to the sum of the measures of two not adjacent interior angles:

correct choice is D

the answer is b.)

< 1=< 2