Let \angle A B C=24^{\circ} and \angle A B D=20^{\circ}. What is the smallest possible degree measure for \angle C B D ?
Answer Choices
A. 0
B. 2
C. 4
D. 6
E. 12
Let \angle A B C=24^{\circ} and \angle A B D=20^{\circ}. What is the smallest possible degree measure for \angle C B D ?
Answer Choices
A. 0
B. 2
C. 4
D. 6
E. 12