Answer:
48
Step-by-step explanation:
80+3x+14+5x-10=180(sun of angles fo triangle)
8x+4=100
x=12
now for f
3x+14
=3*12+14
=48
m<F = 48
180 - 100 = 80
m<G=80
3x+14+5x-10+80
8x + 84 = 180
-84 = -84
8x = 96
8 = 8
x = 12
3(12) +14 = 48
