在中,,,,则等于              (    )                          ...

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问题详情:

在中,,,,则等于              (    )                          ...中,在中,,,,则等于              (    )                          ... 第2张在中,,,,则等于              (    )                          ... 第3张在中,,,,则等于              (    )                          ... 第4张,则在中,,,,则等于              (    )                          ... 第5张等于               (     )                                                                                                                                                                                                               

A. 在中,,,,则等于              (    )                          ... 第6张         B.在中,,,,则等于              (    )                          ... 第7张          C. 在中,,,,则等于              (    )                          ... 第8张在中,,,,则等于              (    )                          ... 第9张      D. 以上*都不对

【回答】

A

知识点:解三角形

题型:选择题

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