如图,已知Rt△ABC中,∠B=900,∠A=600,AB= cm.点O从C点出发,沿CB以每秒1cm的速度向B点方向运动,运动到B点时运动停止.当点O运动了t秒(t>0)时,以O点为圆心的圆与边AC相切于点D,与BC边所在直线相交于E、F
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/19 09:08:17
![如图,已知Rt△ABC中,∠B=900,∠A=600,AB= cm.点O从C点出发,沿CB以每秒1cm的速度向B点方向运动,运动到B点时运动停止.当点O运动了t秒(t>0)时,以O点为圆心的圆与边AC相切于点D,与BC边所在直线相交于E、F](/uploads/image/z/2603147-59-7.jpg?t=%E5%A6%82%E5%9B%BE%2C%E5%B7%B2%E7%9F%A5Rt%E2%96%B3ABC%E4%B8%AD%2C%E2%88%A0B%3D900%2C%E2%88%A0A%3D600%2CAB%3D+cm.%E7%82%B9O%E4%BB%8EC%E7%82%B9%E5%87%BA%E5%8F%91%2C%E6%B2%BFCB%E4%BB%A5%E6%AF%8F%E7%A7%921cm%E7%9A%84%E9%80%9F%E5%BA%A6%E5%90%91B%E7%82%B9%E6%96%B9%E5%90%91%E8%BF%90%E5%8A%A8%2C%E8%BF%90%E5%8A%A8%E5%88%B0B%E7%82%B9%E6%97%B6%E8%BF%90%E5%8A%A8%E5%81%9C%E6%AD%A2.%E5%BD%93%E7%82%B9O%E8%BF%90%E5%8A%A8%E4%BA%86t%E7%A7%92%28t%3E0%29%E6%97%B6%2C%E4%BB%A5O%E7%82%B9%E4%B8%BA%E5%9C%86%E5%BF%83%E7%9A%84%E5%9C%86%E4%B8%8E%E8%BE%B9AC%E7%9B%B8%E5%88%87%E4%BA%8E%E7%82%B9D%2C%E4%B8%8EBC%E8%BE%B9%E6%89%80%E5%9C%A8%E7%9B%B4%E7%BA%BF%E7%9B%B8%E4%BA%A4%E4%BA%8EE%E3%80%81F)
xSNa}.dXk[K-4VGİkԤ*V]vyͷp+|4&;;sf̙JrdJ?hvd%3i`4ŅHDJg~ޤ;THP杲i6#퀜#ک(.a
'R"b}Z0LE'X)Z,!lMꯡ
foor7m2tlUF։o^N洀Pj><2<*YjjPh'U Ͼ[Mƞ1;[NIkgg
mUfHߢCϳ`z5<1$V@0jJȜ(ҩ!k5F왫1,yM\NWd{>p0DY;qJ9h1F
^