1. anonymous

2. anonymous

??/

3. anonymous

The formula is $\large (2 \times Base~Area)~+~(perimeter \times height)$ In this case, the bottom rectangle is the area, so the end formula would look like this $\large (2 \times (15 \times 6))~+~((30+12) \times 10)$

4. anonymous

ahhhh I don't understand, jst give me the very final step and then I can solve it!!( like multiplying or something!)

5. anonymous

All you have to do is multiply and add now.

6. anonymous

7. anonymous

If you know basic multiplication/addition and PEMDAS, you can take it from where I left it at.

8. anonymous

2220??

9. anonymous

What is 15 times 6?