Cau 10: Cho tam giac AB C. Tim cong thure dung trong cac cong...
Cau 10: Cho tam giac AB C. Tim cong thure dung trong cac cong thue sau: D A. . B. S =-bcsin B. C. S =-absin B.222 D. S=1/2acsinB 相关知识点: 试题来源: 解析 DTa có: S=1/2bcsinA=1/2acsinB=1/2absinC. 反馈 收藏 ...