Answer:
358.954ft^2
Hope this helps.
TSA=760[tex]ft^{2}[/tex]
Step-by-step explanation:
A=B*H*1/2
A=15*8*1/2
A=60*2
A=120[tex]ft^{2}[/tex]
+
A=L*W
A=20*15
A=300[tex]ft^{2}[/tex]
A=20*17
A=340[tex]ft^{2}[/tex]