Answer :

Answer: 93.6 square feet

Step-by-step explanation:

Solution: The area consists of 3 triangle (congruent)  [tex]S_{1}[/tex] and trapezoid [tex]S_{2}[/tex]

  • [tex]S_{1}=3[/tex] × [tex]\frac{1}{2}[/tex] × [tex]6[/tex] × [tex]\frac{10.4}{2} = 46.8 ft^{2}[/tex]  
  • [tex]S_{2}=\frac{1}{2}[/tex] × [ [tex]6+(18-6)[/tex] ] × [tex]\frac{10.4}{2}=46.8ft^{2}[/tex]                                                                          

So, [tex]S=S_{1} + S_{2}=93.6ft^{2}[/tex]

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