Answer:
The answer is about 172.05 [tex]ft^{2}[/tex]
Step-by-step explanation:
Area Formula for a Pentagon:
A=[tex]\frac{1}{4}[/tex] [tex]\sqrt{5(5+2\sqrt[]{5 } )[/tex] [tex]a^{2}[/tex]
A=[tex]\frac{1}{4}[/tex] [tex]\sqrt{5(5+2\sqrt[]{5 } )[/tex] (10ft)^2
A= 172. 05 [tex]ft^{2}[/tex]