Hi everyone. I tried solving these questions but cant seems to get anywhere. I am not used to questions like these specially word problems. Sorry if this is the wrong section. Question 1: The receiver of the satellite dish is at the focus of the parabola dish. The focus is 80 cm from the vertex of the dish. If the dish is 4m in diameter, find it depth. Question 2: The ceiling in a hallway 10m wide is in the shape of a semiellipse. The semiellipse is 9m high in the centre. The walls of the hallway are 6m high. Find the height of the ceiling 2 m from either wall. I could even draw the diagram for the second one. Thnx for the help.