（1）问题�现如图1， abc和 Bde均为等边三角形，点a，d，e在同一直线上，连接cd．填空：�∠cdb的度数为 ；�线段ae，cd Sketch Coloring Page

（1）问题�现如图1， abc和 Bde均为等边三角形，点a，d，e在同一直线上，连接cd．填空：�∠cdb的度数为 ；�线段ae，cd Template

Background image: Hide Show

View Larger Image Image Credit: qb.zuoyebang.com

please wait, the page is loading...

More Sketches

Take a peek at some of the sketches created by our users, are you a sketchite?

sketch #5438

anonymous

anonymous
sketch #5438

sketch #2022

anonymous

anonymous
sketch #2022

sketch #5160 Marilyn Monroe by Muhammet Karadoğan

anonymous

anonymous
sketch #5160 Marilyn Monroe by Muhammet Karadoğan

sketch #3517 Scratch from Ice Age by VlAd Craciun

anonymous

anonymous
sketch #3517 Scratch from Ice Age by VlAd Craciun

sketch #251

Tom Kelly
sketch #251

sketch #2644 Purple bun

Rachel Roe
sketch #2644 Purple bun

sketch #4708 Katekyo Hitman Reborn by Mário JBudo

anonymous

anonymous
sketch #4708 Katekyo Hitman Reborn by Mário JBudo

sketch #76

Rachel Roe
sketch #76

sketch #2618

sketchmaster
sketch #2618

sketch #4972

anonymous

anonymous
sketch #4972

sketch #953

anonymous

anonymous
sketch #953

sketch #4957

anonymous

anonymous
sketch #4957

sketch #5192

anonymous

anonymous
sketch #5192

sketch #5440

anonymous

anonymous
sketch #5440

sketch #1253

anonymous

anonymous
sketch #1253

sketch #3473 Finn by Luana Santos

anonymous

anonymous
sketch #3473 Finn by Luana Santos

sketch #3680 Infected Mushroom by Rohit Rahul

anonymous

anonymous
sketch #3680 Infected Mushroom by Rohit Rahul

sketch #4774 Banksy&#;s Wall and Piece by Ameli Cedeño Barcia

anonymous

anonymous
sketch #4774 Banksy&#;s Wall and Piece by Ameli Cedeño Barcia

sketch #5167

anonymous

anonymous
sketch #5167

sketch #855

Laura Agapi Asnicar
sketch #855

sketch #5102 Old Man by Cuong Pham

anonymous

anonymous
sketch #5102 Old Man by Cuong Pham

sketch #5348

anonymous

anonymous
sketch #5348

sketch #5313 Katy Perry by Monalisa Theresia

anonymous

anonymous
sketch #5313 Katy Perry by Monalisa Theresia

sketch #4209 bushy

anonymous

anonymous
sketch #4209 bushy

sketch #542 life

anonymous

anonymous
sketch #542 life

sketch #4269 dragón

Ainhoa White
sketch #4269 dragón

sketch #1545

anonymous

anonymous
sketch #1545

sketch #5306 Katarina by Mirnes Sinanovic

anonymous

anonymous
sketch #5306 Katarina by Mirnes Sinanovic

sketch #2678 Portrait by Jocelyn Alejandra Rantul

Jocelyn Alejandra Rantul
sketch #2678 Portrait by Jocelyn Alejandra Rantul

sketch #2434 Metallica

sketchmaster
sketch #2434 Metallica

tomski（1）问题�现如图1， abc和 bde均为等边三角形，点a，d，e在同一直线上，连接cd．填空：�∠cdb的度数为 coloring

（1）问题�现如图1， ABC和 BDE均为等边三角形，点A，D，E在同一直线上，连接CD．填空：�∠CDB的度数为 ；�线段AE，CD sketch template

（1）问题�现：如图1， ABC和 ADE都是等边三角形，连接BD，CE．易知=．（2）类比探究如图2， ADE都是直角三角形，∠ sketch template

如图 ABC和 ADE均为等边三角形BDE三点在同一条直线上若∠ACE=20°则∠BAD= 度．题目和参考答案——青夏教育精英家教�—— sketch template

题目1如图1 ABC中D是BC边上一点则 BD与 ADC有一个相同的高它们的面积之比等于相应的底之比记为= ABD sketch template

问题�现如图� ABC与 ADE是等边三角形且点BDE在同一直线上连接CE求∠BEC的度数并确定线段BD与CE的数量关系．拓展 sketch template

题目已知如图 ABC和 CDE均为等边三角形BCD三点在同一条直线上连接线段BEAD交于点F连接CF1求证∠FBC sketch template

题目在由6个大小相同的小正方形组成的方格中1如图1 ABC 的三个顶点ABC都在格点上试判断 ABC的形状并加以证明 sketch template

已知 ABC和 DEF为等腰直角三角形，∠ACB=∠EDF=90°，BC=AC，ED=FD，将两三角形如图1所示放置，其中F、B、D在同一直线 sketch template

题目1如图1 ABC中BO平分∠ABCCO平分∠ACB∠A=56°求∠BOC的度数2如图2若点P为 ABC外部一点 sketch template

题目1问题�现如图1 ACB和 DCE均为等边三角形点ADE在同一直线上连接BE求∠AEB的度数．2拓展探究如图2 sketch template

题目如图在四边形ABCD中ACBD相交于点O1若AB＝4cmAD＝8cm当BC＝cmCD＝cm时四边形ABCD为平行 sketch template

题目如图1 ABC为等边三角形点EF分别在BC和AB上且CE=BFAE与CF相交于点H1求证 ACE≌ CBF2求 sketch template

如图 ABC是等边三角形D是AC的中点F是边AB上的动点E为直线BC上一点且∠EDF=120°．�如图1求证DF=DE�如图2 sketch template

【操作�现�（1）如图1，在 ABC和 ADE中，∠DAE=∠BAC，AD=AE，AB=AC．求证： ABD≌ ACE；【问题解决�（2）如图 sketch template

如图1，若 ABC内一点P满足∠PAC=∠PBA=∠PCB，则点P为 ABC的布洛卡点．三角形的布洛卡点（Brocardpoint）由法国数学 sketch template

【提出问题�（1）如图1，在等边 ABC中，点M是BC上的任意一点（不含端点B、C），连结AM，以AM为边作等边 AMN，连结CN．求证：BM sketch template

【题目� 如图，在 ABC 和 ADE 中， AB=AC ， AD=AE ∠ BAC= DAE=90° 百度教育 sketch template

题目课外兴趣小组活动时老师提出了如下问题 如图1 ABC中若AB=5AC=3求BC边上的中线AD的取值范围．小明在组内经过合作 sketch template

如图D是等边三角形ABC的边AB上一点且ADDB=12现将 ABC折叠使点C与点D重合折痕为EF点EF分别在AC和BC上且 sketch template

初二下（八下）数学期末压轴题训练—勾股定理（合集1）知乎 sketch template

阅读�现1如图�在Rt ABC和Rt DBE中∠ABC=∠DBE=90°AB=BC=3BD=BE=1连结CDAE．易证 sketch template

1问题�现小明遇到这样一个问题如图1 ABC是等边三角形点D为BC的中点且满足∠ADE=60°DE交等边三角形外角平分线CE 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

如图1 ABC和 ADE都是等边三角形将 ADE绕点A旋转．1求证BD=CE2若∠ADB=90°DE的延长线交BC于点F交 sketch template

题目1如图1三角形ABC中BO平分∠ABCCO平分∠ACB则∠BOC与∠A的数量关系是 2如图2BO平分 ABC的外角 sketch template

初二下（八下）数学期末压轴题训练—勾股定理（合集1）知乎 sketch template

题目如图一次函数与反比例函数的图象交于A24B 4 两点1分别求出一次函数与反比例函数的表达式2根据所给条件 sketch template

如图AC=DB∠1=∠2则 ABC≌ ∠ABC=∠ ．题目和参考答案——青夏教育精英家教�—— sketch template

初二下（八下）数学期末压轴题训练—勾股定理（合集1）知乎 sketch template

如图1所示在 ABC和 ADE中AB=ACAD=AE∠BAC=∠DAE且点BAD在一条直线上连接BECDMN分别为BE sketch template

题目1问题�现如图1 ACB和 DCE均为等边三角形点ADE在同一直线上连接BE求∠AEB的度数．2拓展探究如图2 sketch template

如图在四边形ABCD中∠ABC=∠BCD=60°AB DC=BC．1如图1连结ACBD求证AC=BD2如图2∠BAD sketch template

百度教育 sketch template

如图D是等边 ABC边AB上的一点且ADDB=12现将 ABC折叠使点C与D重合折痕为EF点EF分别在AC和BC上则CE sketch template

1如图1 ABC中∠ABC的角平分线与∠ACB的外角∠ACD的平分线交于A1．当∠A为80°时求∠A1的度数2在上一题中若∠ sketch template

free web stats