Answer:
1122.63ft
Step-by-step explanation:
Let, AB be the height of the monument, BC=789ft be the length of the monument ∠BAC=35.1° be the angle of elevation.
Now,
[tex]tanA=\frac{789ft}{AB} \\\\tan35.1=\frac{789ft}{AB} \\\\AB=\frac{789ft}{0.7028} \\\\AB=1122.63ft[/tex]
Hope this is correct.
