【题目】如图,BCACBC=8AC=6AB=10,则点 C 到线段 AB 的距离是_____

[Failed to download image : http://qbm-images.oss-cn-hangzhou.aliyuncs.com/QBM/2018/4/13/1923292236627968/1924724835434496/STEM/46ca9c8351da4594816ea507a60c9cdd.png]


参考答案:

【答案】4.8

【解析】如图,过点CCD⊥AB于点D,

∵BC⊥AC,

SABC=AC·BC=AB·CD

∵AC=6BC=8AB=10

CD解得CD=4.8

即点CAB的距离为4.8.

[Failed to download image : http://qbm-images.oss-cn-hangzhou.aliyuncs.com/QBM/2018/3/1/1892562004918272/1895857195900928/EXPLANATION/a3e9f8afbedc4ddfaab9d66aa161f2a3.png]

关闭