Respuesta :

muruganselvaraj

Answer:

4

Step-by-step explanation:

The scale factor from 3m to 9m is ×3

So do 12 / 3 = 4

Ekkie
The scale factor is 4.

Since the length of one side is 9 and 3 on the other triangle, you would divide those two.

9/3=3

Then, you would decide 12 by 3 to get your final answer.

12/3=4

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