如图在平行四边形abcd中ab=6bc=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 Coloring Page

如图在平行四边形abcd中ab=6bc=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 Template

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anonymous

anonymous
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sketch #3505 Django

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sketch #1855 MAGIC DANCE

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anonymous

anonymous
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anonymous

anonymous
sketch #3476 Happy valentines day! Simona Honigmelone

sketch #20960 Kaneki Ken Tokyo Ghoul by Deepak Kaushik

anonymous

anonymous
sketch #20960 Kaneki Ken Tokyo Ghoul by Deepak Kaushik

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anonymous

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sketch #5179 Audrey Hepburn by 陳一夫

anonymous

anonymous
sketch #5179 Audrey Hepburn by 陳一夫

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anonymous

anonymous
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El Harouati Nassera
sketch #2810 Lennon by El Harouati Nassera

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anonymous

anonymous
sketch #4429 Spongebob by Brenda Peña

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anonymous

anonymous
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sketch #3897 dolphins playing over the sea

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tomski如图在平行四边形abcd中ab=6bc=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 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

PPT 菱形的判定 PowerPoint Presentation Free Download ID3710086 sketch template

题目如图在平行四边形ABCD中AB=6BC=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 sketch template

如图，在四边形ABCD中，AD=BC，E，F，G分别是AB，CD，AC的中点若∠DAC=20°，∠ACB=66°，则∠FEG的度数为（ sketch template

如图已知四边形ABCD中AB∥CDAB=6cmBC=23cmBD=3 3cm将这个平行四边形折过去使点B和点D重合求折痕 sketch template

如图1在平行四边形ABCD中∠BAD的平分线交直线BC于E交直线DC于点F以CF为邻边作平行四边形ECFM．1求证四边形ECFM sketch template

如图平行四边形ABCD的对角线ACBD相交于点O点EF分别是线段AOBO的中点若AC BD=30cm OAB的�长为23cm则 sketch template

如上右图四边形ABCD是正方形CE＝MN∠MCE＝35°那么∠ANM 等于 ——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

如图四边形ABCD是平行四边形．1请用直尺和圆规按下列步骤作图保留作图痕迹�作∠BAD的平分线交CD于E交BC的延长线于F� sketch template

【自主探究�（1）如图1，在四边形ABCD中，AB=AD，∠BAD=90°，点E、F分别在边BC、CD上，且∠EAF=45°，若∠B=∠ADF sketch template

如图将平行四边形ABCD沿对角线AC折叠使点B落在点B′处．若∠1=∠2=44°则∠D=114度．题目和参考答案——青夏教育精英家教�—— sketch template

题目探究如图� 在四边形ABCD中∠BAD=∠BCD=90°AB=ADAE⊥CD于点E．若AE=10求四边形ABCD的面积 sketch template

17．如图在平行四边形ABCD中点G是BC延长线上 一点AG与BD交于点E与DC交于点F 如果AB=mCG=BC 求1DF sketch template

如图在四边形ABCD中∠A=135°∠B=∠D=90°BC=2 AD=2则四边形ABCD的面积是A4 B4 C4D6——青 sketch template

如图在四边形ABCD中AB∥CD∠ABC∠BCD的平分线交AD于点E．求证AB CD=BC．题目和参考答案——青夏教育精英家教�—— sketch template

如图平行四边形ABCD中∠B=30°AB≠BC将 ABC沿AC翻折至 AB′C连结B′D．若AB=2$sqrt{3}$∠AB′D sketch template

如图，在 ABC中，∠ABC＝90°，AB＝BC，三角形的顶点在相互平行的三条直线l1，l2，l3上，且l1，l2的距离为2，l2，l3的距离 sketch template

如图在四边形ABCD 中∠ABC＝90°AB＝6BC＝8CD＝10AD＝10 1求四边形ABCD的面积2求 BD的长 sketch template

如图在四边形ABCD中∠A=∠C=90度BE平分∠ABCDF平分∠ADC1∠1与∠2有什么关系说明理由．2BE与DF有什么 sketch template

如图在四边形ABCD中∠BAD=∠BCD=90°BC=CDE是AD延长线上一点若DE=AB=3cmCE=4$sqrt{2}$cm sketch template

已知如图在四边形ABCD中BC＞BA∠A ∠C=180°DE⊥BCBD平分∠ABC试说明AD=DC．题目和参考答案——青夏教育 sketch template

如图在四边形ABCD中∠A=60°∠B=∠D=90°BC=2CD=3则AB= 5 A C D ——青夏教育精英家教�—— sketch template

$如图．在四边形ABCD中∠B ∠ADC=180°AB=ADEF分别是边BCCD延长线上的点且∠EAF=$frac{1}{2}$∠ sketch template$

如图在四边形ABCD中AB=AD∠BAD=∠BCD=90°连接AC．若AC=6则四边形ABCD的面积为18．题目和参考答案——青夏 sketch template

如图在四边形ABCD中∠C=∠D=90°若∠DAB的平分线AE交CD于点E连接BE且BE恰好平分∠ABC则下列结论中错误的是 sketch template

如图在平行四边形ABCD中AB=5cmBC=9cm∠ABC的平分线交AD于点E交CD的延长线于F．求DF的长．题目和参考答案——青 sketch template

如图平行四边形ABCD中AE⊥BCAF⊥CD垂足分别为EF连结EF给出下列判断�若 AEF是等边三角形则∠B=60°�若∠ sketch template

如图在四边形ABCD中AB=20BC=15CD=7AD=24∠B=90°则∠DAB与∠BCD的数量关系是互补．题目和参考答案 sketch template

在平行四边形ABCD中，AB=6，BC=8，∠ABC=60°，E是 BC 边上的一个动点（不与点 B，C重合），过点E作EF//AB，交AC于 sketch template

如图在菱形ABCD中对角线ACBD相交于点O过点O作一条直线分别交DABC的延长线于点EF连接BEDF．1求证四边形 sketch template

题目如图在 Rt ABC 中∠ACB＝90°．1用直尺和圆规作∠A的平分线交 BC 于点 P保留作图的痕迹不写作法2当 sketch template

如图，在四棱锥P ABCD中，底面ABCD是平行四边形，∠BCD=120°，侧面PAB⊥底面ABCD，PB=2√6，AB=AC=PA=2√3 sketch template

如图在四边形ABCD中AB=AD∠BAD=∠BCD=90°连接AC．若AC=6则四边形ABCD的面积为18．题目和参考答案——青夏 sketch template

如图在菱形ABCD中∠ABC与∠BAD的度数比为12�长是40cm．求1两条对角线ACBD的长度2菱形ABCD的面积 sketch template

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