Answer:
15
Step-by-step explanation:
Answer:SEE BELOW
Average the X and Y coordinates (X,Y)
X = (-8 + 8)/2 = 0
Y = (-9 + 3)/2 = -3
(X,Y) = (0,-3)
2.2
Angles: 42°, 114°, 24°, 30°, 150°.
-1/2