Answer:
80
Step-by-step explanation:
I remember studying this but forgot the terminology, but basically the line adds up to 180. I believe it was called Adjacent lines or something, but I don't remember. Hope this sparks your memory :)
a->So the value of X is 80 degree.
b-> Reason: Corresponding angles are equal.
Look at the attached picture
Hope it will help you...
Good luck on your assignment
~pragya
