Answer:
x=57°
Step-by-step explanation:
i'll find the interior angles, as we know straight line is 180°
1) 180-63-x = 117-x
2) 180-2x
3) 180-183+x =-3+x
we know total interior angle is 180
so, -3+x+180-2x+ 117-x =180
294-2x =180
-2x = 180 -294
x = -114/-2
x=57°
