如图在rt abc中∠acb=90°以ac为直径的⊙o与ab边交于点d过点d作⊙o的切线交bc于点e．1求证点e是边bc的中点 Sketch Coloring Page

如图在rt abc中∠acb=90°以ac为直径的⊙o与ab边交于点d过点d作⊙o的切线交bc于点e．1求证点e是边bc的中点 Template

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anonymous

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anonymous

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tomski如图在rt abc中∠acb=90°以ac为直径的⊙o与ab边交于点d过点d作⊙o的切线交bc于点e．1求证点e是边bc的中点 coloring

如图在Rt ABC中∠ACB=90°以AC为直径的⊙O与AB边交于点D过点D作⊙O的切线交BC于点E．1求证点E是边BC的中点 sketch template

如图在Rt ABC中∠ACB=90°以AC为直径作⊙O交AB于点DE为BC的中点连接DE并延长交AC的延长线于点F．1求证DE sketch template

如图在Rt ABC中∠ACB=90°以AC为直径作⊙O交斜边AB于点E．1点F为BC的中点连接EF求证EF是⊙O的切线2 sketch template

如图在Rt ABC中∠ACB=90°∠BAC=30°．分别以直角边AC和斜边AB�外作等边 ACD等边 ABE．过点E作EF⊥AB sketch template

如图在Rt ABC中∠ACB=90°以AC为直径的⊙O与AB边交于点D过点D作⊙O的切线交BC于点E．1求证点E是边BC的中点 sketch template

如图，Rt ABC中，∠ACB=90°，AC=BC，点D为AB边上的一个动点（不与点A，B及AB中点重合），连接CD，点A关于直线CD的对称点 sketch template

如图在Rt ABC中∠ACB=90°D是AB边上一点以BD为直径的⊙O与AC交于点E连接DE并延长与BC的延长线交于点FBD sketch template

如图，在Rt ABC中，∠ACB=90°，AC=3，BC=1，将 ABC绕点A逆时针方�旋转90°，得到 AB′C′．连接BB′，交AC于点D sketch template

如图，在Rt ABC中，∠ACB=90°，CB=4，CA=6， C半径为2，P为圆上一动点，连结AP，BP，则AP 12BP的最小值为（）A sketch template

如图在Rt ABC中∠ACB=90°以AC为直径的⊙O与AB边交于点D过点D作⊙O的切线交BC于点E．1求证点E是边BC的中点 sketch template

已知如图在Rt ACB中∠C=90°AC=4cmBC=3cm．点P由B出�沿BA方��点A匀速运动点Q由A出�沿AC方��点C匀速 sketch template

如图在Rt ABC中∠ACB=90°以AC为直径的⊙O与AB边交于点D过点D作⊙O的切线交BC于点E．1求证点E是边BC的中点 sketch template

如图在Rt ABC中∠ACB=90°以AC为直径作⊙O交AB于点DE为BC的中点连接DE并延长交AC的延长线于点F．1求证DE sketch template

如图Rt ABC中∠ABC=90°以AB为直径的⊙O交AC于点DE为BC的中点连接DEOD．1求证DE是⊙O的切线2 sketch template

如图在Rt ABC中∠BAC=90°∠C=30°以边AC上一点O为圆心OA为半径作圆恰好经过边BC的中点D并与边AC相交于另一点 sketch template

如图在Rt ABC 中∠C=90°AC=BCAB=8点D为AB的中点若直角MDN绕点D旋转分别交AC于点E交BC于点M则下列 sketch template

如图在Rt ABC中∠ACB=90°AC=6BC=8点D在边AB上运动DE平分∠CDB交边BC于点EEM⊥BD垂足为MEN⊥ sketch template

如图，在Rt ABC中，∠ACB=90°，M为AB边的中点，将Rt ABC绕点M旋转，使点A与点C重合得到 CED，连接M A 若∠B=26 sketch template

如图在Rt ABC中∠ACB=Rt∠AC=2tan2A Tan2B= ∠A>∠B点P在斜边AB上移动连结PC设AP为x sketch template

题目如图 在Rt ABC中∠ACB＝90°AC＝6BC＝8将边AC沿CE翻折使点A落在AB上的点D处再将边BC沿CF翻折使 sketch template

在Rt ABC中∠ACB=90°∠BAC=30°BC=6．I如图�将线段CA绕点C顺时针旋转30°所得到与AB交于点M则CM的 sketch template

如图在Rt ABC中∠ACB＝90°AB＝4cm AC＝2cm以B为圆心以BC为半径作弧交AB于D求阴影部分面积——青夏教育精英 sketch template

如图在等腰Rt ABC中∠ACB=90°AC=CBF是AB边上的中点点DE分别在ACBC边上运动且始终保持AD=CE．连接DE sketch template

如图．在Rt ABC中．∠ACB=90°．∠ABC=30°AB=6．点D是BC边上一动点连接AD．将 ACD沿AD折叠．点C落在点C1处 sketch template

14．如图Rt ABC中AC=8BC=6∠C=90°⊙I分别切ACBCAB于DEF求Rt ABC的内心I与外心O之间的距离 sketch template

如图⊙O是Rt ABC的内切圆点DEF为切点∠ACB=90°DE的延长线交AC的延长线于点G．1当∠BAC=30°⊙O的半径 sketch template

如图，Rt ABC中，∠C＝90°，AC＝BC，点D、E分别是边AB、AC上的点，把 ADE沿DE折叠，点A恰好落在BC上的点F处，若点F为 sketch template

如图在Rt ABC中∠C=90°AD是∠BAC的平分线以AB上一点O为圆心AD为弦作⊙O．1求证BC为⊙O的切线2若AC sketch template

如图在∠ABC中∠ACB=130°∠BAC=20°BC=4以点C为圆心CB长为半径的圆交AB于点D交AC于点E．1求BD的长 sketch template

题目在Rt ABC中∠C=90°BC=3AC=4点P在以C为圆心5为半径的圆上连结PAPB．若PB=4则PA的长为 sketch template

如图在Rt ABC中∠ACB=90°AC=BC∠ABC=45°点D为BC的中点CE⊥AD于点E其延长线交AB于点F连接DF sketch template

如图在Rt ABC中∠ACB=90°D是AB边上的一点以BD为直径的⊙0与边AC相切于点E连接DE并延长与BC的延长线交于点F sketch template

如图在Rt ABC中∠ACB=90°∠B=30°BC=6点D是BC边上一动点过点D作DE⊥BC交AB边于点E将∠B沿直线DE翻折 sketch template

如图在Rt ABC中∠C=90°DE⊥ABAC=BE=15BC=20则四边形ACED的面积为 75 96——青夏教育精英家教�—— sketch template

百度教育 sketch template

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