given:
height= 3 ft
width= 3 ft
length= 9 ft
to find:
the surface area of the given prism.
solution:
[tex]s.a = 2(hw + wl + hl )[/tex]
[tex]s.a = 2(3 \times 9 + 3 \times 9 + 3 \times 3)[/tex]
[tex]s.a = 126 \: {ft}^{2} [/tex]
therefore, the surface area of the given prism is 126 square feets.
