C. Solve the following word problems, completely. Explain your solution completely. PICK ONLY 1 from the 2 problems below. Plywood Ellipse: A carpenter wishes to construct an elliptical table top from a 4 ft by 8 ft sheet of plywood. He will trace out the ellipse using the "thumbtack and string" method as illustrated on the right. What length of string should he use, and how far apart should the tacks be located, if the ellipse is to be the largest possible that can be cut out of the plywood sheet? (6 points)