The value of x is:
xo
20°
300
20°
30°.
0000
50°.
60°

x = 50°

Step-by-step explanation:

x + 20° + 30° = 180°

x = 180° - 20° - 30°

x = 130°                   (This one is other x)

x + 130° = 180°

x = 180° - 130°

x = 50°

figure c

step-by-step explanation:

hope this .