如图所示在rt abc中∠bac=90°ab=4ac=3adae分别是其角平分线和中线过点c作cg⊥ad于f交ab于g连接 Sketch Coloring Page

如图所示在rt abc中∠bac=90°ab=4ac=3adae分别是其角平分线和中线过点c作cg⊥ad于f交ab于g连接 Template

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sketch #3151 Spaceship Nessa Kira Hellsing

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sketch #3151 Spaceship Nessa Kira Hellsing

sketch #3410

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sketch #3410

sketch #5039

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anonymous
sketch #5039

sketch #4710

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anonymous
sketch #4710

sketch #5085 CM Punk by Luciana Nazar

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sketch #5085 CM Punk by Luciana Nazar

sketch #2992 Dragon by Iky Sahendra Putra

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sketch #2992 Dragon by Iky Sahendra Putra

sketch #4632

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sketch #4632

sketch #4454 Lisa by Muhammad Raiyaan

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sketch #4454 Lisa by Muhammad Raiyaan

sketch #1122 norooz

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sketch #1122 norooz

sketch #5271

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sketch #5271

sketch #4362 cow

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sketch #4362 cow

sketch #3381 DBZ by Adidtzu Ady

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sketch #3381 DBZ by Adidtzu Ady

sketch #5040 Amy Winehouse by Timothy Palfreyman

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sketch #5040 Amy Winehouse by Timothy Palfreyman

sketch #2072

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sketch #2072

sketch #2937 Spongebob by Kalana Namikaze

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sketch #2937 Spongebob by Kalana Namikaze

sketch #20840 Dog by Laur Ūūtiis

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sketch #20840 Dog by Laur Ūūtiis

sketch #2639 Marilyn by sketchmaster

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sketch #2639 Marilyn by sketchmaster

sketch #2220 bahbah sexy sheep

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sketch #2220 bahbah sexy sheep

sketch #1219

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sketch #1219

sketch #4921

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sketch #4921

sketch #3330

Matt King
sketch #3330

sketch #871 vampire girl anime

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sketch #871 vampire girl anime

sketch #937

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anonymous
sketch #937

sketch #2359 imazighen amazigh flag

Amazigh N Amurwakuc
sketch #2359 imazighen amazigh flag

sketch #4091 Irie

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sketch #4091 Irie

sketch #3359 &#;In love and lonely&#; by Irul Ventura

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sketch #3359 &#;In love and lonely&#; by Irul Ventura

sketch #2483 Una Catrina by sketchmaster

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sketch #2483 Una Catrina by sketchmaster

sketch #1648

Laura Agapi Asnicar
sketch #1648

sketch #21085 Tobirama by Enrique L. Manly

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sketch #21085 Tobirama by Enrique L. Manly

sketch #3595

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sketch #3595

tomski如图所示在rt abc中∠bac=90°ab=4ac=3adae分别是其角平分线和中线过点c作cg⊥ad于f交ab于g连接 coloring

题目如图Rt ABC中∠BAC=90°AB=3AC=6点DE分别是边BCAC上的动点则DA DE的最小值为．题目和参考 sketch template

如图在Rt ABC中∠BAC=90°AB=AC分别过点BC坐过点A的直线的垂线BDCE若BD=4CE=3则DE=A1B sketch template

如图，在Rt ABC中，∠ABC=90°，AB=3，BC=4，在Rt MPN中，∠MPN=90°，点P在AC上，PM交AB于点E，PN交BC于 sketch template

如图所示在Rt ABC中∠BAC=90°AB=4AC=3ADAE分别是其角平分线和中线过点C作CG⊥AD于F交AB于G连接 sketch template

如图在Rt ABC中∠BAC=90°D为BC的中点连接ADE为AB上一点过E作EF∥BC交AD于F．1求证EF=AF．2 sketch template

如图在Rt ABC中∠BAC=90°AB=5AC=12P为边BC上一动点PE⊥AB于EPF⊥AC于FM为EF中点则AM的取值 sketch template

题目1问题如图1在Rt ABC中∠BAC＝90°AB＝ACD为BC边上一点不与点BC重合将线段AD绕点A逆时针旋转90 sketch template

在Rt ABC中∠C=90°AB的垂直平分线交BC边于D∠B=2∠DAC则∠B的度数为 A．18°B．54°C．36°D．72 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°BD是∠ABC的平分线交AC于D若CD=mAB=n则 ABD的面积是 A．mnB．12mnC sketch template

18．如图5所示在 ABC中∠C=90°DE垂直平分AB交AB于E交BC于D∠1=∠2求∠B的度数——青夏教育精英家教�—— sketch template

如图所示，在 ABC中，D是BC的中点，DM垂直于DN，如果BM2 CN2=DM2 DN2，求证AD2=14AB2 AC2．百度教育 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

如图所示在Rt ABC中AD平分∠BAC交BC于DCH⊥AB于H交AD于FDE⊥AB垂足为E求证四边形CFDE是菱形——青夏 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梯形ABCD中AD∥BCAB=AC∠BAC=90°BC=BDAC与BD相交于O．求证CD=CO．题目和参考答案——青夏 sketch template

如图所示在Rt ABC中∠ABC＝90°．将Rt ABC绕点C顺时针方�旋转60°得到 DEC点E在AC上再将Rt ABC沿着AB所在 sketch template

如图所示在等边 ABC中点DE分别在边BCAB上且BD=AEAD与CE交于点F则∠DFC的度数为 A．60°B．45°C sketch template

如图所示在 ABC中D是BC边上一点∠1=∠2 ∠3=∠4∠BAC=63° 求∠DAC的度数——青夏教育精英家教�—— sketch template

如图，在四边形ABCD中，对角线AC与BD交于点O，已知OA =OC，OB=OD，过点O作EF⊥ BD，分别交AB、DC于点E，F，连接DE sketch template

百度教育 sketch template

21．如图所示在Rt ABC中∠BAC=90°AB=AC=2以AB为直径的圆交BC于D 求图形阴影部分的面积——青夏教育精英家教�—— sketch template

如图所示已知Rt ABC中∠B=90°AB=3BC=4DEF分别是三边ABBCCA上的点则DE EF FD的最小值为 sketch template

如图所示在 ABC中∠A=α ABC的内角平分线和外角平分线交于点P且∠P=β试探求下列图中α与β的关系并选择一个加以说明——青 sketch template

如图所示在Rt ABC中AB=AC∠A=90°点D为BC上任一点DF⊥AB于FDE⊥AC于EM为BC的中点试判断 MEF是什么 sketch template

百度教育 sketch template

如图在Rt ABC中∠BAC=90°AB=3AC=4点P为BC边上一动点PE⊥AB于点EPF⊥AC于点F连结EF点M为EF的 sketch template

如图等腰Rt ABC中∠BAC=90°AB=ACBE平分∠ABC交AC于E过C作CD⊥BE于D点写出ATCD与BD之间的数量关系 sketch template

6．如图所示在 ABC中∠B的平分线与∠C的外角平分线相交于点D 请比较∠D 与∠A的大小关系．——青夏教育精英家教�—— 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

如图所示在等腰Rt ABC中AC=BC以斜边AB为一边作等边 ABD使点CD在AB的同侧再以CD为一边作等边 ECD使点CE在 sketch template

11．如图3所示在 ABC中∠ABC与∠BAC的平分线相交于点O若∠BOC=120°则∠A为 A．30° B．60° C．80 sketch template

如图所示在四边形ABCD中AC平分∠BAD∠ADC ∠ABC=180°．1求证CD=CB2若BC=10AB=21AD=9 sketch template

如图，在四边形ABCD中，AB=AD，∠ BAD=∠ BCD=90^° ，连接AC，若AC=8，则四边形ABCD的面积为。百度教育 sketch template

如图所示在 ABC中∠ABC和∠ACB的角平分线相交于D过点D作DE∥AB交BC于点EDF∥AC交BC于点F若BC=aAB=b sketch template

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