### Home > CC4 > Chapter 1 > Lesson 1.1.2 > Problem 1-15

1-15.

Examine the tile pattern shown at right.

*1-15 HW eTool*

*(CPM). Homework Help ✎*

On graph paper, draw Figure 4.

How many tiles will Figure 10 have? How do you know?

Use the eTool to highlight the new tiles in each figure with a different color. How many new tiles are added each time?

To find the number of tiles in Figure 10 you can make a table and extend it to Figure 10, write an equation and let , or think about what figure

Use the eTool below to examine and draw the tile pattern.

Click the link at right for a full version of the eTool: Int1 1-15 HW eTool