Find x in the following figures.

A.

B.

We know that the sum of all exterior angles of polygon = 360^o

Therefore,

A. 125° + 125° + x = 360°

250° + x = 360°

x = 110°

B. 60° + 90° + 70° + x + 90° = 360°

310° + x = 360°

x = 50°