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1. AC 3-1a:
![AC 3-1a:](https://media.screensteps.com/image_assets/assets/005/682/729/original/6fa798df-0327-4eef-ac94-0872950cd23f.png)
This is one possible way to show how one figure is built from the preceding figure.
2. AC 3-1b:
![AC 3-1b:](https://media.screensteps.com/image_assets/assets/005/682/731/original/ec70cef8-49cb-43ec-85ea-575c29242de3.png)
- This is one possible way to show how one figure is built from the preceding figure.
- Figure 1 looks like it is missing a green tile. Since the blue tiles are the figure# minus 2, that meant there was a -1 blue tile. Thus one of the green tiles was discarded.