X= -213/10 , look at the steps in the picture
if interior angle is 170, subtract 170 from 180 to find exterior angle:
180-170 = 10 = exterior angle
the sum of exterior angles is 360 so divide by exterior angle to find sides:
360 /10 = 36 sides
Answer: The answer is B
Step-by-step explanation:
4 because that is what's multiplied throughout
