Answer:
X=16
Step-by-step explanation:
Since the lines are parallel the angles are equal so set the equations equal
This will help u and hope its right .
Answer:
0.3333333333333...........
Answer:

Step-by-step explanation:
As the triangles are similar :
45/55 = (12x - 3)/143
9/11 = (12x - 3)/143
9 x 13 = 12x - 3
12x = 117 + 3
12x = 120
x = 10
The one you have highlighted is correct, that is the sign for congruent.