Well.. the equation for the interior angles of a polygon is 180(n-2). So it could possibly be 180.
Hope I could help.
Answer
b=-4
Step-by-step explanation:
(y1-y)=m (x1-x)
1-y=1/2 (10-x)
y=1/2x-4
If you mean where m=17 then the answer is 3 because 17-5 is 12 and 12/4 is 3.