In an isosceles triangle \(ABC,\) if \(\angle C = 40\) degrees, and \(AB^2+AC^2<BC^2,\) then what is the difference between the largest and the smallest angles of the triangle?
A. 30
B. 40
C. 60
D. 70
E. 100
Answer: C
Source: e-GMAT
A
B
C
D
E