1. Rana is at the top of a cliff and sees a seal in the water. If the cliff is 40 m above the water and the angle of depression is 52°, what is the horizontal
distance from the seal to the cliff, to the nearest m?

2. Ahmed is on the top deck of a cruise ship and observes two dolphins
following each other directly away from the ship in a straight line.
Ahmed's position is 154 m above sea level, and the angles of depression
to the two dolphins are 35° and 36º. Find the distance between the two
dolphins to the nearest meter.