Answer
$26730$ ft
Work Step by Step
$\tan37^{\circ}=\frac{12000}{x}$
$\tan48^{\circ}=\frac{12000}{y}$
$x+y=\frac{12000}{\tan37^{\circ}}+\frac{12000}{\tan48^{\circ}}$
$x+y=\frac{12000}{\tan37^{\circ}}+\frac{12000}{\tan48^{\circ}}$
$x+y=26730$ ft