Question

need help quick with surface area. will fan & medal

Answer 1

that's just 2 squares and 4 rectangles
just add up the respective areas of the 6 figures

Answer 2

The Formula of right rectangular prism.
A=2(wl+hl+hw)

Answer 3

number 2 is correct

Answer 4

for number 3 :
8*6 + 10*6 + 6*6 + 8*6/2 + 8*6/2 = 192