Respuesta :

Answer:

425 in2 (square inches)

Step-by-step explanation:

Find Triangle Area:

[tex]a^2 + b^2 = c^2[/tex]

Side a = 18

Side b = 8

Side c = 16

Find Trapezoid Area:

[tex](b1 + b2) / 2h[/tex]

[tex](16 + 18) / 2 * 25[/tex]