Plz right answer plz

426 square feet. First find the area of the rectangle (15 x 26). You get 390. Then find the area of the triangle (1/2 x 9 x 8). You get 36. Now just add them up. That’s how I found 426 square feet.

What is the diagram u didn't post that

This law is sometimes called the grouping property. as you can see, regardless of how the numbers are grouped, the answer is still 13. the associative law of multiplication is similar to the same law for addition. it says that no matter how you group numbers you are multiplying together, you will get the same answer.