Help me out please!!!!!!!

Answer:
20
Step-by-step explanation:
12/3=4
4*5=20
the bigger triangle is 4x bigger than the small triangle
Answer:
Sorry if I'm wrong but I'm positive that it would be 20m
Step-by-step explanation:
the dimensions a multiplied, 3x4=12 so in that case you should be able to multiply 5x4 which equals 20, like I said, I'm soooo sorry if I'm wrong. and please tell me if I am!!!