geometry
posted by h .
A swimming pool is 3 ft deep in the shallow end the bottom of the pool has a steady downward drop of 12 degrees if the pool is 50 feet long how deep is the deepest end?

Y1 = 3Ft.
sin12 = Y2/50.
Y2 = 50*sin12 = 10.4 Ft.
Y = Y1 + Y2 = 3 + 10.4 = 13.4 Ft. = Depth of pool.