Answer:
The answer is :
x= 8
B=70
70⁰
Step-by-step explanation:
As A and B are exterior alternate , they are equal , thus:
A = B
8x + 6 = 4x + 38
4x = 38 - 6
4x = 32
x = 8
B = 4(8) + 38
B = 32 + 38
B = 70⁰