3. If the area of the triangle is 1 then the area of the hexagon is 6, the blue rhombus is 2, the square is 2, and the skinny rhombus is 1. Adding up all the areas:

1 hexagon
1x6=6
9 blue rhombi
9x2=18
6 squares
6x2=12
6 skinny rhombi
6x1=6
Total=42