Question $7(2$ points$)$

Calculate the elevation of midpoint of long chord $($LC$)$ in ft $.$ for a vertical curve

with the following specifications:

Elevation of BVC $=529\mathrm{.}02ft.$ Elevation of VPI $=521\mathrm{.}02ft.$

Elevation of EVC$=530\mathrm{.}62ft.$

$529\mathrm{.}82$

$525\mathrm{.}02$

$525\mathrm{.}82$

$526\mathrm{.}89$