To solve triangle ABC(with angles A,B and C, sides a, b, and c, with side length la, lb, lc respectively)

Question

(A) If A= 45, la= 7√2, and lb= 7, then there is one solution.
(B)if A=30, la< lb/2, then there is no solution.
(C)If A= 30, la> lb/2, then there are two solutions.
(D) All the above (A) (B) (C) are true.

Answer 1

D
Draw a few triangles to see why