1如图1boco分别是 abc中∠abc和∠acb的平分线则∠boc与∠a的关系是90° 12∠a90° 12∠a2如图2 Sketch Coloring Page

1如图1boco分别是 abc中∠abc和∠acb的平分线则∠boc与∠a的关系是90° 12∠a90° 12∠a2如图2 Template

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sketch #2866 Soul Eater by Ani Chachua

anonymous

anonymous
sketch #2866 Soul Eater by Ani Chachua

sketch #4852

anonymous

anonymous
sketch #4852

sketch #2022

anonymous

anonymous
sketch #2022

sketch #929 tree stump

anonymous

anonymous
sketch #929 tree stump

sketch #3727 Stitch by Louis Tradieu

anonymous

anonymous
sketch #3727 Stitch by Louis Tradieu

sketch #3774 Marilyn Manson by Junior Silva

anonymous

anonymous
sketch #3774 Marilyn Manson by Junior Silva

sketch #1170

anonymous

anonymous
sketch #1170

sketch #1993

anonymous

anonymous
sketch #1993

sketch #1465

Laura Agapi Asnicar
sketch #1465

sketch #3145 Madoka by Николай Герасимов

anonymous

anonymous
sketch #3145 Madoka by Николай Герасимов

sketch #2646 Buzzy bee on flowers

Rachel Roe
sketch #2646 Buzzy bee on flowers

sketch #25 Suzzy the stegosaurus

Rachel Roe
sketch #25 Suzzy the stegosaurus

sketch #3716

anonymous

anonymous
sketch #3716

sketch #68509

anonymous

anonymous
sketch #68509

sketch #855

Laura Agapi Asnicar
sketch #855

sketch #2082 mash

anonymous

anonymous
sketch #2082 mash

sketch #1448 donara

Donara Smbatyan
sketch #1448 donara

sketch #5163

anonymous

anonymous
sketch #5163

sketch #2772 Merry Christmas from Victor Montecinos Jose Rondon

Jose Rondon
sketch #2772 Merry Christmas from Victor Montecinos Jose Rondon

sketch #4358 Wink Károly Benkő

anonymous

anonymous
sketch #4358 Wink Károly Benkő

sketch #2197

anonymous

anonymous
sketch #2197

sketch #3804

Laura Agapi Asnicar
sketch #3804

sketch #5158 Till Lindemann by Cristina Love

anonymous

anonymous
sketch #5158 Till Lindemann by Cristina Love

sketch #3476 Happy valentines day! Simona Honigmelone

anonymous

anonymous
sketch #3476 Happy valentines day! Simona Honigmelone

sketch #5127 Captain America by Mark Phillips

anonymous

anonymous
sketch #5127 Captain America by Mark Phillips

sketch #5256

anonymous

anonymous
sketch #5256

sketch #944

Laura Agapi Asnicar
sketch #944

sketch #2577

anonymous

anonymous
sketch #2577

sketch #4903 Naruto & Kurama by Fatér Szilvia

anonymous

anonymous
sketch #4903 Naruto & Kurama by Fatér Szilvia

sketch #4558

anonymous

anonymous
sketch #4558

tomski1如图1boco分别是 abc中∠abc和∠acb的平分线则∠boc与∠a的关系是90° 12∠a90° coloring

1如图1BOCO分别是 ABC中∠ABC和∠ACB的平分线则∠BOC与∠A的关系是90° 12∠A90° 12∠A2如图2 sketch template

题目已知在 ABC中AB＝AC射线BMBN在∠ABC内部分别交线段AC于点GH．1如图1若∠ABC＝60°∠MBN＝30 sketch template

1如图1BOCO分别是 ABC中∠ABC和∠ACB的平分线则∠BOC与∠A的关系是90° 12∠A90° 12∠A2如图2 sketch template

题目如图在Rt ABC中∠ACB=90°AC=6BC=8点D为边CB上的一个动点点D不与点B重合过D作DO⊥AB垂足为O sketch template

如图在 ABC中∠ACB=90°∠A=30°AB的垂直平分线分别交AB和AC于点DE．1求证AE=2CE2连接CD请 sketch template

百度教育 sketch template

题目已知如图 ABC中∠A＝90°AB＝ACD是BC边上的中点EF分别是ABAC上的点且∠EDF＝90°求证BE sketch template

如图在 ABC中∠A=90°AB=ACD 是BC的中点点EF分别是ABAC上的点并且BE=AF1猜想并写出AD与BC所满足 sketch template

如图在 ABC中AB=4cmAC=6cm．1作图作BC边的垂直平分线分别交与ACBC于点DE用尺规作图法保留作图痕迹不 sketch template

17．如图在 ABC中已知∠ABC＝90°SA⊥ ABC所在平面又点A在SC和SB上的射影分别是PQ．求证PQ⊥SC．——青夏教育 sketch template

23． 如图 ABC中点DE分别在边ABAC上连接DE并延长交BC的延长线于点F连接DCBE．若∠BDE ∠BCE=180 sketch template

题目1如图1在四边形ABCD中FE分别是BCAD的中点连结EF并延长分别与BACD的延长线交于点MN则∠BME=∠ sketch template

如图1 ABC中∠ACB=90°∠CAB=30°点M是AC的中点将 ABC绕点M逆时针方�旋转α°得到 A′B′C′旋转过程中两 sketch template

如图在 ABC中点DE分别在ABAC边上DE∥BC若ADDB=12AE=2则AC= ． 6 解析根据DE∥BC求证 sketch template

题目如图所示边长为2的等边三角形ABC中D点在边BC上运动不与BC重合点E在边AB的延长线上点F在边AC的延长线上AD sketch template

题目如图 ABC中∠C=90°．1在BC边上作一点P使得点P到点C的距离与点P到边AB的距离相等尺规作图不写作法保留作图 sketch template

如图 ABC中∠BAC=90°AB=ACD是斜边BC的中点EF分别是ABAC边上的点且DE⊥DF若BE=12CF=5求 sketch template

如图Rt ABC中∠ACB=90°．1分别以ABAC为边�外作等边三角形ABD和等边三角形ACE连接CE交AB于点F若∠BAC sketch template

如图 ABC中DE分别是ABAC上的点DE∥BCDE＝1BC＝3AB＝6则AD的长为 A．1 B．15 C．2 D sketch template

【初二平面几何�全等三角形的证明和应用知乎 sketch template

如图已知O是直线AB上一点∠1=40°OD平分∠BOC则∠2= A70°B60°C55°D45° 题目和参考答案——青夏 sketch template

题目如图1将两个完全相同的三角形纸片ABC和A′B′C重合放置其中∠C=90°∠B=∠B′=30°AC=AC′=2．1如图2 sketch template

如图在 ABC中分别以ABAC为边�外作等腰直角三角形ABE等腰直角三角形ACD其中∠BAE=∠CAD=90°BD与CE相交于点O sketch template

题目如图1在 ABC中DE分别是ACBC边上的点且AD=CE连接BDAE相交于点F1当∠ABC=∠C=60°时那么 sketch template

百度教育 sketch template

如图在 ABC中DE分别是边ABAC的中点BC=8则DE=．题目和参考答案——青夏教育精英家教�—— sketch template

百度教育 sketch template

如图3AA 2 ∠A=40° ∠C=70° ∠1=∠2 ∠3=∠4则∠F= 图3AA 3 4 sketch template

百度教育 sketch template

已知如图⊿ABC中∠A = 90AB =ACD是BC边上的中点EF分别是ABAC上的点且BE AF求证ED⊥FD sketch template

题目如图在 ABC中边ABAC的垂直平分线分别交BC于DE．1若BC=10求 ADE的�长 2 设直线DMEN交于点 sketch template

1如图1BDCE分别是 ABC的外角平分线过点A作AF⊥BDAG⊥CE垂足分别为FG连结FG延长AFAG与直线BC相交 sketch template

题目如图1在等腰直角三角形ABC中∠ACB=90°AC=BC=4D是AB的中点EF分别是ACBC上的点点E不与端点AC sketch template

（1）如图1，在四边形ABCD中，AB=CD，E、F分别是BC、AD的中点，连接EF并延长，分别与BA、CD的延长线交于点M、N，证明：∠ sketch template

1如图1所示在等边 ABC中点D是AB边上的动点以CD为一边�上作等边 EDC连接AE求证AE∥BC中等边 ABC的形状改 sketch template

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