Answer:
D. 55
Step-by-step explanation:
a square equals 360 degrees, you know that the angle of B is 90 the angle of C is 90, and the angle of A is 125 if you add those you get 305, and to get 360 you need to add 55, and since both sides are even you know that the angle GHE and ADC are even so your answer is 55
