GAUSS8 2005 Problem 13

Four points B,A,E,L are on a straight line, as shown. G is a point off the line so that \angle{BAG}=120^\circ and \angle{GEL}=80^\circ. If the reflex angle at G is x^\circ, then x equals

Answer Choices
A. 340
B. 200
C. 300
D. 240
E. 310

Image