Answer:
4
Step-by-step explanation:
3/4÷3/16
3/4×16/3
3•16=48
4×3=12
48÷12=4
10 is the answer
8n
I used the following rules:
z = 80°
ABCD ~ FECG
∠F ≅ ∠A = z
∠F = 360-100-60-120=80