19．如图ef分别是平行四边形abcd对角线bd所在直线上两点de＝bf．请你以f为一个端点和图中已标有字母的某一点连成一条新的线段 Sketch Coloring Page

19．如图ef分别是平行四边形abcd对角线bd所在直线上两点de＝bf．请你以f为一个端点和图中已标有字母的某一点连成一条新的线段 Template

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sketch #2017 HEYOO

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anonymous
sketch #2017 HEYOO

sketch #1034 what ever you want it to be

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anonymous
sketch #1034 what ever you want it to be

sketch #3290 Calvin and Hobbes by অনন্ত জলিল

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sketch #3290 Calvin and Hobbes by অনন্ত জলিল

sketch #3192 Snake by Isaias Valenzuela Chaver

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sketch #3192 Snake by Isaias Valenzuela Chaver

sketch #5164

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sketch #5164

sketch #3107 Hitman by Miguel Edgardo Montes Cuaresma

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sketch #3107 Hitman by Miguel Edgardo Montes Cuaresma

sketch #1138

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sketch #1138

sketch #3659 Portrait by Mari Falcsik

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sketch #3659 Portrait by Mari Falcsik

sketch #1950

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sketch #1950

sketch #3413 Link by Dã Tr� ng

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anonymous
sketch #3413 Link by Dã Tr� ng

sketch #1430

Laura Agapi Asnicar
sketch #1430

sketch #4640 Serj Tankian by Dav Guzman Mendoza

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sketch #4640 Serj Tankian by Dav Guzman Mendoza

sketch #5011

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anonymous
sketch #5011

sketch #4918 Mike Wazowsky by George Andres Crowther Castillo

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sketch #4918 Mike Wazowsky by George Andres Crowther Castillo

sketch #2723 by Sam Torres

Sam Torres
sketch #2723 by Sam Torres

sketch #3083 Great illustration Ali Hänel

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anonymous
sketch #3083 Great illustration Ali Hänel

sketch #5047 Pikachu and Raichu by Saiful Farizam

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sketch #5047 Pikachu and Raichu by Saiful Farizam

sketch #2751

Guillaume Ballieu
sketch #2751

sketch #578 Butterflies

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anonymous
sketch #578 Butterflies

sketch #2856 Merry Christmas from Melany Campano Laos Komlós László

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anonymous
sketch #2856 Merry Christmas from Melany Campano Laos Komlós László

sketch #645

Tom Kelly
sketch #645

sketch #3138 Papa Smurf by Courtney Spragg

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anonymous
sketch #3138 Papa Smurf by Courtney Spragg

sketch #4665 Iron Maiden EDDIE by Jenna Khoùlix�

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sketch #4665 Iron Maiden EDDIE by Jenna Khoùlix�

sketch #5193

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anonymous
sketch #5193

sketch #2536

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sketch #2536

sketch #4493 Jimi Hendrix by Alex Stoun

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sketch #4493 Jimi Hendrix by Alex Stoun

sketch #3259

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anonymous
sketch #3259

sketch #3698

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anonymous
sketch #3698

sketch #1255 something

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anonymous
sketch #1255 something

sketch #5128 Italo Italo Abreu Jack Supple

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anonymous
sketch #5128 Italo Italo Abreu Jack Supple

tomski19．如图ef分别是平行四边形abcd对角线bd所在直线上两点de＝bf．请你以f为一个端点和图中已标有字母的某一点连成一条新的线段 coloring

平行四边形的定义和性质 Word文档在线阅读与下载免费文档 sketch template

如图四边形ABCD中对角线相交于点OEFGH分别是ABBDBCAC的中点．求证四边形EFGH是平行四边形．题目和参考答案 sketch template

如图在平行四边形ABCD中点EF分别在ADBC上且AE=CF 求证BE=DF 题目和参考答案——青夏教育精英家教�—— sketch template

人教版初中数学八年级下册平行四边形的对角线互相平分公开课优质课课件教案视� 知乎 sketch template

已知如图在平行四边形ABCD中EF分别是边BCCD上的点且EF∥BDAEAF分别交BD于点G和点HBD=12EF=8求 sketch template

如图所示在平行四边形ABCD中EF分别是ABCD上的点且AE=CF连接BFDE试猜测∠ADE与∠CBF的大小关系并加以证明 sketch template

如图平行四边形ABCD的对角线ACBD相交于点O点EF分别是线段AOBO的中点若AC BD=30cm OAB的�长为23cm则 sketch template

平行四边形专题训练 Word文档在线阅读与下载无忧文档 sketch template

如图四边形ABCD中对角线ACBD相交于点O点EF分别在线段OAOC上且OB=OD∠1=∠2AE=CF．1证明 BEO sketch template

【问题情境�（1）如图1，正方形ABCD中，E、F分别是边AB和对角线AC上的点，∠EDF=45°．易证 DBE∽ DCF（不需写出证明过程 sketch template

19．如图EF分别是平行四边形ABCD对角线BD所在直线上两点DE＝BF．请你以F为一个端点和图中已标有字母的某一点连成一条新的线段 sketch template

如图EFGH分别是四边形ABCD四条边的中点则四边形EFGH一定是 A．平行四边形B．矩形C．菱形D．正方形题目和参考答案 sketch template

如图1，D、E、F分别是 ABC各边上的点，四边形ADEF是平行四边形，有三个选项：�D是AB的中点，�E是BC的中点，�F是AC的中点． sketch template

如图在平行四边形ABCD中AB=6BC=4∠B=60°点E是边AB上的一点点F是边CD上一点将平行四边形ABCD沿EF折叠得到 sketch template

如图在平行四边形ABCD中EF分别是边ABCD上的点且AE=CF连结DEBFCEDEAFDE的交点为NCECF的交点 sketch template

如图点EF在平行四边形ABCD的对角线BD上且EB=DF．1填空BC BA= BA AF= BC ．2求作BC sketch template

（1）如图�，在四边形ABCD中，AB=AD，∠B=∠ADC=90°．E、F分别是BC、CD上的点，且EF=BE FD，探究图中∠BAE、∠ sketch template

如图平行四边形ABCD中E是CA延长线上的点 F是AC延长线上的点且AE=CF求证∠E=∠F 解题指导——青夏教育精英家教�—— sketch template

如图在平行四边形ABCD中O是AC与BC的交点过O点的直线EF与ABCD的延长线分别交于E，F 百度知道 sketch template

7．如图5点DEF分别是ABBCCA边的中点则图中的平行四边形一共有 3个 D4个——青夏教育精英家教�—— sketch template

如图所示在平行四边形ABCD中EF分别是ABCD上的点且AE=CF连接BFDE试猜测∠ADE与∠CBF的大小关系并加以证明 sketch template

如图，已知四边形ABCD菱形，点E、F、G、H分别在菱形的四条边上，且AE=CG，AH=CF．（1）求证：四边形EFGH是平行四边形；（2）若 sketch template

如图在平行四边形ABCD中EF是AD的三等分点GH是BC的三等分点AC与EBEGFGFHDH分别交于PQKMN设 sketch template

如图在平行四边形ABCD中对角线ACBD的长度分别为10和6则AB长度的最大整数值是 A．8B．5C．6D．7——青夏教育精英家教�—— sketch template

小明遇到一个问题如图1正方形ABCD中EFGH分别是ABBCCD和DA边上靠�ABCD的n等分点连接AFBGCH sketch template

如图EFMN分别是边长为4的正方形ABCD四条边上的点且AE=BF=CM=DN．那么四边形EFMN的面积的最小值是8．题目和参考 sketch template

如图在平行四边形ABCD中E为BC边上的一点连接AEBD交于点FAE=AB．1若∠AEB=2∠ADB求证四边形ABCD是菱形 sketch template

12分如图在平行四边形ABCD中对角线ACBD相交于点OBD=2ADEFG分别是OCODAB的中点求证1BE⊥ sketch template

如图F是平行四边形ABCD的边AD上一点CF交BA的延长线于点E若AFFD=23AB=4求AE的长．题目和参考答案——青夏教育精英 sketch template

如图在ABCD中EF分别为边ABCD的中点BD是对角线过A点作AG∥DB交CB的延长线于点G．1求证DE∥BF2若∠ 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

已知如图 ABCD各角的平分线分别相交于点EFG H 求证 四边形EFGH是矩形．——青夏教育精英家教�—— sketch template

如图所示在四边形ABCD中EFGH分别是四边形ABCD各边的中点已知阴影部分的面积是10求四边形SRPQ的面积．题目和参考答案 sketch template

如图平行四边形ABCD中M是BC的中点且AM=9BD=12AD=10则ABCD的面积是 A．30B．36C．54D．72 题目 sketch template

7．如图5点DEF分别是ABBCCA边的中点则图中的平行四边形一共有 3个 D4个——青夏教育精英家教�—— sketch template

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