题文
在△ABC中,若
,则△ABC的形状是( )A.∠C为钝角的三角形
B.∠B为直角的直角三角形
C.锐角三角形
D.∠A为直角的直角三角形 题型:未知 难度:其他题型
答案
D解析
该题暂无解析
考点
据考高分专家说,试题“在△ABC中.....”主要考查你对 [向量数量积的运算 ]考点的理解。
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