Respuesta :

Answer:

Calculated out this gives a surface area of 138.528 Square Inches.

Step-by-step explanation:

i think p hope its right -w-

I got 357

find the area of the square: 49 bc squares have equal sides

then find the area of the triangle: 77 (7x11) then multiply it by 4 bc there r 4 triangles (308)

add them and u get 357