look at the picture pls pls pls i need help

Answer: 39.5 ft^2
Step-by-step explanation:
1. Find the area of the rectangle using the formula length * width
2. Find the area of one of the triangles (the top one) using the formula 1/2(b*h)
3. Find the area of the other triangle (the bottom one) using the formula 1/2(b*h)
4. Add 'em all up to get the total area