题文
在Rt△ABC中,∠C=90°,AC=4,则![在Rt△ABC中,∠C=90°,AC=4,则等于 [ ]A.-16 B.-8 C.16 D.8 在Rt△ABC中,∠C=90°,AC=4,则等于 [ ]A.-16 B.-8 C.16 D.8](https://www.mshxw.com/file/tupian/20210916/215babe9ab0a5db889cae7c825943acf.gif)
等于 [ ]A.-16
B.-8
C.16
D.8 题型:未知 难度:其他题型
答案
C解析
该题暂无解析
考点
据考高分专家说,试题“在Rt△ABC中,∠C=90.....”主要考查你对 [向量数量积的运算 ]考点的理解。
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