Answer: The answer is Iπ + √17|.
What do the instructions say?
I believe the next one would be 13.2 because if you add 8.4 to -6.4 it gets 4.8 so you just do the same thing
In this shape there will be 540 degrees
So 98+98+115+115+x = 540
X= 114
Hope this helps!