Question

17. Find the value of x in the above right sided figure if 7 || m.​

Answer 1

$\bold {value \: of \: x \: is \: 80}$

Answer 2

Answer:

100

Step-by-step explanation:

angle at line m = 180

and 80° = cross-section of a and m

so x = 180 - 80

x = 100

methord 2

100° angle = x

due exterior angle at parallel line property