a number of solutions. Two are 1) a rectangle with 3 lines drawn in the middle 2) two parallell lines with a 3rd curved one to form the perpendicuar ends.
Its OK Doc, its obviously not a real exam paper. The Irish Education Dept is called "An Roinn Oideachais" There is no Department for Learning "A Levels" do not exist in Ireland, they are a pommie thing.