Respuesta :

10n31y

We can solve this problem in three steps.

1) find the area of the square

[tex]a=lw\\\\a=(7.5)(6)\\\\a=45ft^{2}[/tex]

2) find the area of the triangle

[tex]a=\frac{1}{2}bh\\\\a=\frac{1}{2} (6)(4)\\\\a=12ft^{2}[/tex]

3) add the areas together

[tex]a=45+12[/tex]

a = 57 ft²