Respuesta :

Answer:

Step-by-step explanation:

[tex]h=\sqrt{9^2-(\frac{5}{2} )^2}\\=\sqrt{81-\frac{25}{4} } \\=\sqrt{\frac{299}{4} } \\=\frac{\sqrt{299} }{2} \\\approx 8.6458\\\approx 8.65 ~ft[/tex]

Answer:

24

Step-by-step explanation:

Use the Pythagorean Theorem