Please help answer this question with all the steps needed.

What is the value of x?

Inside the triangle, the top is 38 degrees, left and right sides are 21, and the x is on the bottom left inner corner.

one that is bigger than 3 1/2

answer: the answer is ann

for this case we have by definition, if two lines are perpendicular, then the product of their slopes is -1.

then, given the following line:

so,

we are looking for m_ {2}:

then, the line is given by:

we find "b" replacing the given point:

finally, the equation is:

option c