In \triangle A B C, points D and E lie on A B, as shown.
If A D=D E=E B=C D=C E, the measure of \angle A B C is
Answer Choices
A. 30^{\circ}
B. 45^{\circ}
C. 60^{\circ}
D. 15^{\circ}
E. 40^{\circ}
In \triangle A B C, points D and E lie on A B, as shown.
If A D=D E=E B=C D=C E, the measure of \angle A B C is
Answer Choices
A. 30^{\circ}
B. 45^{\circ}
C. 60^{\circ}
D. 15^{\circ}
E. 40^{\circ}