1. The problem statement, all variables and given/known data Approximate this hill to a smooth cone with an elliptical base. find its volume by integration 2. Relevant equations n/a? 3. The attempt at a solution This hill is from a contour map and i have approximated the formula for the ellipse and the height. i found the area of the ellipse and multiplied it by the height/3 but the questions says use an integration method. help!!!