Answer:
Surface area of the triangular prism is [tex]469 inch^2[/tex]
Step-by-step explanation:
The surface area of the triangular prism is
Area of the two triangular faces + Area of the three rectangular faces
Area of the prism:
[tex]= 2(1/2*11*7)+(14*11)+(14*9)+(14*8)\\\\ = 77+154+126+112\\\\ = 469 inch^2[/tex]
The area of the triangular prism is [tex]469 inch^2[/tex]
