Answer:
9 x 3.5 = 31.5 (area of rectangle now time for the trapezoid!)
Area of little square:
2 x 2 = 4
Area of two triangles:
2 x 2 = 4
4 divided by 2 = 2
5 x 2 = 10
10 divided by 2 = 5
The summed up area's of triangles:
5 + 2 = 7
7 + 4(little square's area) = 11
11 + 31.5 = 42.5