Answer:
39/16
Step-by-step explanation:
113
290 - 64 = 226
226 ÷ 2 = 113
first find slope m
m=(4-2)/(2-3)
m= -2
so equation line is
y-y1=m(x-x1)
y-4=-2(x-2)
y-4=-2x+4
y=-2x+4+4
y=-2x+8
?=-2
a. x = 30° (180-70-80)
b. <FGA = 80°
c. vertical angles