7．如图5点def分别是abbcca边的中点则图中的平行四边形一共有 3个 d4个——青夏教育精英家教�—— Sketch Coloring Page

7．如图5点def分别是abbcca边的中点则图中的平行四边形一共有 3个 d4个——青夏教育精英家教�—— Template

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sketch #5160 Marilyn Monroe by Muhammet Karadoğan

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sketch #4708 Katekyo Hitman Reborn by Mário JBudo

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sketch #4055

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tomski7．如图5点def分别是abbcca边的中点则图中的平行四边形一共有 3个 d4个——青夏教育精英家教�—— coloring

7．如图5点DEF分别是ABBCCA边的中点则图中的平行四边形一共有 3个 D4个——青夏教育精英家教�—— sketch template

7．如图5点DEF分别是ABBCCA边的中点则图中的平行四边形一共有 3个 D4个——青夏教育精英家教�—— sketch template

在 ABC中点DEF分别在ABBCAC上且∠ADF=∠BED∠AFE=∠BDE．1如图1DG⊥BC于G当∠A=90 sketch template

20．如图点DEF分别在ABBCAC上且DE∥ACEF∥AB下面写出了说明“∠A ∠B ∠C＝180° 的过程请填空因为 sketch template

如图已知长方体ABCD A1B1C1D1中AB=BC=2AA1=1点EF分别是A1B1B1C1的中点点O是AB与BD的交点．1 sketch template

题目如图矩形ABCD中AD=5AB=7点E为DC上一个动点把 ADE沿AE折叠当点D的对应点D′落在∠ABC的角平分线上时DE sketch template

$如图在 ABC中DE分别是ABBC上的点且DE∥AC若$frac{{S} { BDE}}{{S} DEC}}$=$frac sketch template$

如图等边三角形ABC中点DEF分别为边ABACBC的中点M为直线BC动点 DMN为等边三角形1如图1当点M在点B左侧时 sketch template

如图在 ABC中点DEF分别在BCABAC上且DE∥ACDF∥AB．1如果∠BAC=90°那么四边形AEDF是 形2 sketch template

在 ABC中已知∠A=60°∠C=75°AB=10点DEF分别在边ABBCCA上则 DEF�长的最小值．题目和参考答案 sketch template

如图在正方形ABCD中点EF分别是ADBC中点连接EF将矩形CDEF绕着点C逆时针旋转一定角度得到矩形CD′E′F′点E′恰好落 sketch template

如图所示在等边 ABC中点DE分别在边BCAB上且BD=AEAD与CE交于点F则∠DFC的度数为 A．60°B．45°C sketch template

如图正方形纸片ABCD的边长为3点EF分别在边BCCD上将ABAD分别沿AEAF折叠点BD恰好都落在点G处已知BE=1则 sketch template

如图正方形ABCD中点EF分别在BCCD上∠EAF=45°AEAF分别于BD相交于点MN1求证BM2 DN2=MN2 sketch template

如图已知 ABC中AB=AC∠BAC=90°点D为BC的中点点EF分别在直线ABAC上运动且始终保持AE=CF．1如图� sketch template

如图点DEFB在同一直线上AB∥CDAE∥CF且AE=CF若BD=10BF=2则EF= ——青夏教育精英家教�—— sketch template

如图点EF分别是菱形ABCD的边BCCD上的点且 ∠EAF=∠D=60°∠FAD=45°则∠CFE= A60B45C sketch template

如图点EF分别是菱形ABCD的边BCCD上的点且 ∠EAF=∠D=60°∠FAD=45°则∠CFE= A60B45C 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

14．如图点DEF分别是 ABC三边上的中点．若 ABC 的面积为12则 DEF的面积为．——青夏教育精英家教�—— sketch template

如图 ABC中DE分别是BCAC的中点BF平分∠ABC交DE于点F若AB=10BC=8则EF的长是1．题目和参考答案——青 sketch template

如图点DEF分别在等边三角形ABC的边ABBCCA的延长线上且BD=CE=AF说明 DEF为等边三角形．题目和参考答案——青夏 sketch template

百度教育 sketch template

14．如图点DEF分别是 ABC三边上的中点．若 ABC 的面积为12则 DEF的面积为．——青夏教育精英家教�—— sketch template

已知如图在 ABC中AB的垂直平分线分别交ABBC于点MEAC的垂直平分线分别交ACBC于点NF∠B=27°∠BAC=2∠ sketch template

如图四面体ABCD的每条棱长都等于2点EF分别为棱ABAD的中点则AB BC= BC EF= EF与AC所成的角为 sketch template

如图等边 ABC中DE分别为ABBC边的延长线上的点且BD=CEDC的延长线交AE于点FAG⊥CD于点G．1求证 ACE≌ sketch template

如图点ABC分别表示海平面上的三只船 ABC是等边三角形AB=60海里下列说法不正确的是A船A在B的北偏东30°方�到B的距离 sketch template

如图所示，已知边长为4的正三角形ABC中，E，F分别为BC和AC的中点，PA=2，且PA⊥平面ABC，设Q是CE的中点（1）求证：AE∥平面 sketch template

4．如图DE分别是ABAC边上的点O是CD与BE的交点且∠B＝∠CAD＝AE则 ≌⊿ABE理由 ⊿BDO≌ 理由——青夏 sketch template

如图点DE分别在线段ABAC上BECD相交于点OAE＝AD要使 ABE≌ ACD需添加一个条件是 ——青夏教育精英家教�—— sketch template

如图在 ABC中∠C=90°AC=BC点D为AB的中点点EF分别为ACBC边上的动点且CE=BF当点EF分别在边ACBC sketch template

如图所示已知点AEFD在同一条直线上AE=DFBF⊥ADCE⊥AD垂足分别为FEBF=CE求证AB∥CD．题目和参考 sketch template

如图在等边 ABC 中DEF分别为ABBCCA上一点且AD=BE=CF若每三个三角形两两全等为一组则图中全等的三角形组数为 sketch template

如图所示已知Rt ABC中∠B=90°AB=3BC=4DEF分别是三边ABBCCA上的点则DE EF FD的最小值为 sketch template

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