Answer:
(x)=
+1
Step-by-step explanation:
I don't think you can as long as your not plus.
When you add all the number together you get 364.6 round it = 365
Because 6 is > 5
Vertex angle = x
1 base angle = 1/2x - 8
180-x = (1/2x-8)x2
180-x = x-16
196-x = x
196 = 2x
x=98
If you want explanation please ask me .