Question

Help me out please!!!!!!!

Answer 1

Sorry if I'm wrong but I'm positive that it would be 20m

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!!!

Answer 2

20

Explanation:

12/3=4

4*5=20

the bigger triangle is 4x bigger than the small triangle