Answer:
[tex]LA=440\ cm^2[/tex]
Step-by-step explanation:
we know that
The lateral area of the triangular prism is equal to the area of its three rectangular faces
so
[tex]LA=(17)(11)+(15)(11)+(8)(11)[/tex]
[tex]LA=187+165+88[/tex]
[tex]LA=440\ cm^2[/tex]
