a- 10
b- 70
c- 110
d- 170
![a 10 b 70 c 110 d 170 class=](https://us-static.z-dn.net/files/da4/ea6aa3fb5b91b4a9f5e009e3c9865417.png)
Step-by-step explanation:
step 1. 2x + 50 and 7x are vertical angles
step 2. vertical angles are equal
step 3. 2x + 50 = 7x
step 4. 5x = 50, x= 10
step 5. <AEB = 2x + 50 = 2(10) + 50 = 70.