Answer:
x = 10
Step-by-step explanation:
For the lines to be parallel, the two angles must have the same measure:
80 - x = 90 - 2x
x = 10 . . . . . . . . . add 2x-80
The value of x must be 10 to make the lines parallel.
Answer: yellow box
Step-by-step explanation:
Answer:
Alternate interior angles theorem
Step-by-step explanation:
Alternate interior angles theorem
I'm not 100% sure but I think it's 10:10 because of the Spoons - 10:30.