Answer: The correct option is 3. The green figure is similar to the 9 by 6 figure.
Explanation:
Let a small square represents 1 unit.
From the given figure it is noticed that
1. The dimensions of red figure is 4 by 3.
2.The dimensions of brown figure is 4 by 6.
3.The dimensions of green figure is 2 by 3.
3.The dimensions of purple figure is 3 by 6.
The dimensions of given figure is 9 by 6. The proportion of its dimensions is
The corresponding sides of two similar figure are proportional. It means the ration of sides must be .
The dimensions of green figure is 2 by 3. It means the proportion of its dimensions is .
Therefore the correct option is 3. The green figure is similar to the 9 by 6 figure.