Question

Find the value of x line 1 and m are parallel
Helppp

Answer 1

The angle ACB = 50 degree.

Explanation:

Given that angle E = 40 degree

Angle D = 90 degree

Triangle ABC is congruent to triangle DEC.

Now Angle ACB = Angle ECD = 90 -40 = 50 degree

So, angle ACB = 50 degree.