A kite has a string tied to its center. The kite is let out on 90 ft of the string and the other end of the string is held at 4 ft above the ground. From where the string is held, the angle of elevation to the center of the kite is 40°. If you maintain the same angle of elevation from where the string is held, how much more string would you need to let out for the kite to fly 10 ft higher? Round to the nearest tenth of a foot. A. 15.6
B. 11.9
C. 15.9
D. 19.6