1. The problem statement, all variables and given/known data here's a picture of the problem http://i39.tinypic.com/28u017m.jpg I am trying to workout the area of the section of the curve submerged in 2 m deep water. This is not a homework. I am studying for my exam.. so i am just doing a bunch of different problems. 2. Relevant equations 3. The attempt at a solution I know I have to calculate the angle of the curve submerged first in order to workout the area.