Answer:
[tex]c=17[/tex] ft
Step-by-step explanation:
Base=b=8 ft
Hyp=c=?
Perp=a=15 ft
Applying Pythagoras theorem
[tex]c=\sqrt{a^{2} + b^{2} }[/tex]
[tex]c=\sqrt{15^{2} + 8^{2} }[/tex]
[tex]c=\sqrt{289 }\\c=17[/tex]