试题与答案

在△ABC中,由已知条件解三角形,其中有两解的是( ) A.b=20,A=45°

题型:选择题

题目:

在△ABC中,由已知条件解三角形,其中有两解的是(  )

A.b=20,A=45°,C=80°

B.a=30,c=28,B=60°

C.a=14,b=16,A=45°

D.a=12,c=15,A=120°

答案:

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