Question $1$

$10$ pts

On a large lake without waves, how far from shore is a sailboat when the top its $30$ ft mast disappears from the view of a person lying at the water's edge?

$38\mathrm{.}16164$

$42,135\mathrm{.}25$

$42\mathrm{.}13525$

$38,161\mathrm{.}64$