Answer:
3,-1,15
Step-by-step explanation:
(0,3) (2,-1) (-6,15)
136 is the answer
The angles of a 4 sided shape always add up to 360.
y + x + 190 - y + 70 = 360
x + 190 + 70 = 360
x + 260 = 360
x = 100
20.80
false
true
.......