6．如图直线abcd相交于点o∠1＝∠2．则∠1的对顶角是 ∠4的邻补角是．∠2的补角是．提示注意补角和邻补角的区别前者只 Sketch Coloring Page

6．如图直线abcd相交于点o∠1＝∠2．则∠1的对顶角是 ∠4的邻补角是．∠2的补角是．提示注意补角和邻补角的区别前者只 Template

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tomski6．如图直线abcd相交于点o∠1＝∠2．则∠1的对顶角是 ∠4的邻补角是．∠2的补角是 coloring

如图所示直线ABCD相交于点OOE平分∠BOD∠AOD ∠AOC=20°求∠AOE的度数．题目和参考答案——青夏教育精英家教�—— sketch template

如图直线AB与CD相交于点OEO⊥CD垂足为O则图中∠AOE和∠BOD的关系是A．相等角B．互为补角C．对顶角D．互为余角题目和参考 sketch template

6．如图直线ABCD相交于点O∠1＝∠2．则∠1的对顶角是 ∠4的邻补角是 ．∠2的补角是 ．提示注意补角和邻补角的区别前者只 sketch template

如图直线ABCD相交于点OOE平分∠BOD∠AOC=72°OF⊥CD垂足为O求1求∠BOE的度数．2求∠EOF的度数 sketch template

已知直线AB与CD相交于点OOE⊥CD垂足为O则图中∠AOE与∠DOB的关系是——青夏教育精英家教�—— sketch template

如图直线ABCD相交于点OOE平分∠AODOF⊥OC1图中∠AOF的余角是∠BOC∠AOD把符合条件的角都填出来2 sketch template

如图已知直线ABCD相交于点OOEOF分别是∠AOC∠BOD的平分线射线OEOF在同一条直线上吗为什么题目和参考答案——青 sketch template

如图直线AB与CD相交于点OOE⊥ABOF⊥CDOP是∠BOC的平分线．1如果∠AOD=40°�那么根据可得∠BOC sketch template

百度教育 sketch template

已知如图直线AB和CD相交于OOE平分∠BOC 且∠AOC=68°则∠BOE=——青夏教育精英家教�—— sketch template

题目如图1直线MN与直线ABCD分别交于点EF∠1与∠2互补．1试判断直线AB与直线CD的位置关系并说明理由2如图2 sketch template

百度教育 sketch template

如图直线ABCD相交于点OOE平分∠BOD．1若∠AOC=70°∠DOF=90°求∠EOF的度数2若OF平分∠COE∠ sketch template

15．已知如图ABCDEF三直线相交于一点O且OE⊥AB ∠COE=20°OG平分∠BOD求∠BOG的度数．——青夏教育精英家教�—— sketch template

如图直线ABCDEF相交于点O是∠AOC的邻补角是 ∠DOA的对顶角是 若∠AOC＝500则 ∠BOD＝0∠COB＝ 0——青夏 sketch template

如图直线AB与CD相交于点O∠AOM=90°．1如图1若OC平分∠AOM求∠AOD的度数2如图2若∠BOC=4∠NOB且 sketch template

直线ABCD相交于点OOEOF分别是∠AOC∠BOD的平分线．1画出这个图形2射线OE射线OF在同一条直线上吗说明理由 sketch template

已知如图ABCD相交于点O且AB=CDAD=CB．试说明OB=OD．题目和参考答案——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直线ABCD相交于OQ是CD上一点1过点Q画AB的垂线E为垂足．2过点O画CD的垂线．题目和参考答案——青夏教育精英家教�—— sketch template

两个长为1的线段AB与CD相交于点O且∠AOC＝请用平移的方法证明AC BD≥1．题目和参考答案——青夏教育精英家教�—— sketch template

如图直线ABCD相交于点O∠AOC=90°MN是一条过点O的直线∠1=54°OE平分∠CON求∠2的度数．题目和参考答案——青 sketch template

如图．直线AB与CD相交于点OOF⊥OC∠BOC∠BOE=13∠AOF=2∠COE1求∠COE的度数2求∠AOD的度数 sketch template

17．如图⊙O1与⊙O2相交于AB两点过点B的直线交⊙O1⊙O2于CD 的中点为MAM交⊙O1于E交CD于F连CEAD sketch template

已知如图ABCDEF三直线相交于一点O且OE⊥AB ∠COE=20°OG平分∠BOD求∠BOG的度数．——青夏教育精英家教�—— sketch template

百度教育 sketch template

如图ABCD为⊙O的直径E为OA的中点直线CE交⊙O于另一点F连接DF若⊙O的半径为4DF=$sqrt{15}$CE＜EF1 sketch template

百度教育 sketch template

如图已知直线ABCDEF相交于点OAB⊥CD∠DOE=127°则∠COE= A127B37C53D63——青夏教育 sketch template

如图直线AB与直线CD相交于点OE是内一点已知 OE⊥AB则的度数是 A B C D——青夏教育精英家教�—— sketch template

如图直线ABCD相交于点O．若∠AOD比∠AOC大40°则∠BOD= 若∠AOD=2∠AOC则∠BOC= 若∠AOD=∠AOC则 sketch template

已知如图3直线AB与CD相交于点O∠AOC ∠BOD=90°则∠BOC= 135 度 ——青夏教育精英家教�—— sketch template

如图所示直线AD和BC相交于OAB∥CD∠AOC=95°∠B=50° ∠A=A50B55C40D45——青夏教育精英 sketch template

如图两条直线ABCD相交于O若∠1=35°则∠2=A35B45C135D145——青夏教育精英家教�—— sketch template

13．如图3直线ABCD相交于O若∠AOD比∠AOC大40°则 ∠BOD＝ °若∠AOD＝2∠AOC则 ∠BOC＝若 sketch template

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