已知ab为⊙o的直径p为⊙o上任意一点则点p关于ab的对称点p′与⊙o的位置为a在⊙o内b在⊙o外 C在⊙o上 D不能确定——青夏 Sketch Coloring Page

已知ab为⊙o的直径p为⊙o上任意一点则点p关于ab的对称点p′与⊙o的位置为a在⊙o内b在⊙o外 C在⊙o上 D不能确定——青夏 Template

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sketch #2279 puppetsss

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anonymous

anonymous
sketch #4436 Bob Marley by Luiza Irma

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anonymous

anonymous
sketch #3321 Baby Mirella Flowers

sketch #1668 SUNSET

anonymous

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anonymous

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anonymous

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sketch #5183

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sketch #1257

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tomski已知ab为⊙o的直径p为⊙o上任意一点则点p关于ab的对称点p′与⊙o的位置为a在⊙o内b在⊙o外 c在⊙o上 d不能确定——青夏 coloring

如图AB是⊙O的直径且AB=10弦MN的长为8若弦MN的两端在圆上�动时始终与AB相交记点AB 到MN的距离分别为h1h2则 sketch template

如图已知AB为⊙O的直径AB=2AD和BE是圆O的两条切线AB为切点过圆上一点C作⊙O的切线CF分别交ADBE于点MN sketch template

已知AB为⊙O的直径P为⊙O上任意一点则点P关于AB的对称点P′与⊙O的位置为A在⊙O内B在⊙O外 C在⊙O上 D不能确定——青夏 sketch template

已知如图OA是⊙O的半径以OA为直径的⊙C与⊙O的弦AB相交于点D．求证点D是AB的中点．题目和参考答案——青夏教育精英家教�—— sketch template

如图，已知⊙O是 ABC的外接圆，AB是⊙O的直径，直线CD与⊙O相切于点C，DO∥AC交弦BC于点F，交优弧于点E，连接BD，BE．（1 sketch template

题目已知⊙O及⊙O外一点P．1方法证明如何用直尺和圆规过点P作⊙O的一条切线�小明设计了如图�所示的方法�连接OP以OP为直径 sketch template

如图已知AB是⊙O的直径点CD在⊙O上且AB=10AC=8．1如果OE⊥AC垂足为E求OE的长2求tan∠ADC的值 sketch template

已知⊙O的弦AB=8cm圆心O到弦AB的距离为3cm则⊙O的直径为 Cm．题目和参考答案——青夏教育精英家教�—— sketch template

题目如图已知AB为半圆O的直径P为半圆上的一个动点以OPOB为一组邻边作POBQ连接OQAP设OQAP的中点分别为MN sketch template

题目如图1以AB为直径作⊙O点C是直径AB上方半圆上的一点连结ACBC过点C作∠ACB的平分线交⊙O于点D过点D作AB的平行线 sketch template

如图已知⊙O1与⊙O2相交于AB两点AB是⊙O2的直径过A点作⊙O1的切线交⊙O2于点E并与BO1的延长线交于点PPB分别与⊙O1 sketch template

已知O是线段AB上一点以OB为半径的⊙O交线段AB以点C以线段AO为直径的半圆交⊙O于点D过点B作AB的垂线AD的延长线交于点E连结 sketch template

如图AB为⊙O直径CD为⊙O上不同于AB的两点∠ABD=2∠BAC．过点C作CE⊥DB垂足为E直线AB与CE相交于F点．1 sketch template

如图已知AB是⊙O的直径CD是半圆上两点．AB=26AC=101若点D是$widehat{AB}$的中点求AD的长2若点D sketch template

如图AB为⊙O的直径点CD在⊙O上．若∠AOD=30°则∠BCD的度数是度．题目和参考答案——青夏教育精英家教�—— sketch template

已知如图AB是⊙O的直径AC是⊙O的弦AB=2∠BAC=30°．在图中作弦AD使AD=1并求∠CAD的度数．题目和参考答案 sketch template

如图，AB是⊙O的直径，点C为的中点，CF为⊙O的弦，且CF⊥AB，垂足为E，连接BD交CF于点G，连接CD，AD，BF sketch template

如图已知AB是⊙O的直径点C在⊙O上过点C的直线与AB的延长线交于点PAC=PC∠COB=2∠PCB．1求证PC是⊙O的切线 sketch template

如图已知⊙O的半径为RCD在直径AB的同侧半圆上∠AOC=96°∠BOD=36°动点P在直径AB上则CP PD的最小值是 A sketch template

如图已知AB是⊙O的直径CD是弦且CD⊥ABBC=6AC=8则sin∠ABD的值是ABCD——青夏教育精英家教�—— sketch template

⊙O的直径为10圆心O到弦AB的距离为3则弦AB的长是．题目和参考答案——青夏教育精英家教�—— sketch template

如图AB为⊙O的直径点CD在⊙O上．若∠AOD=30°则∠BCD的度数是度．题目和参考答案——青夏教育精英家教�—— sketch template

如图AB是⊙O的直径CD是⊙O上的两点若∠ABC=70°则∠BDC的度数为 A．50°B．40°C．30°D．20° 题目和参考 sketch template

如图AB为⊙O的直径C为半圆的中点⊙C的半径为2AB=8点P是直径AB上的一动点PM与⊙C切于点M则PM的取值范围为 ．题目和 sketch template

如图已知AB为⊙O的直径PB与⊙O相切于点B线段OP与弦BC垂直并相交于点DOP与弧BC相交于点E连接AC．1求证∠PBC=∠ sketch template

已知如图AB为⊙O的直径CD为⊙O上的两点且C为AD的中点若∠BAD=20°求∠ACO的度数．题目和参考答案——青夏教育精英家教�—— sketch template

如图为圆O的直径在圆O上取异于AB的一点C并连接．若想在上取一点P使得P与直线BC的距离等于长判断下列四个作法何者正确 A sketch template

如图D是半径为R的⊙O上一点过点D作⊙O的切线交直径AB的延长线于点C下列四个条件�AD=CD�∠A=30°�∠ADC=120 sketch template

如图⊙O的直径AB与弦AC的夹角∠A=30°过点C作⊙O的切线交AB的延长线于点PPC=63则图中阴影部分的面积为 ．题目和参考答案 sketch template

如图已知AB为⊙O的直径点C为半圆上的三等分点在直径AB所在的直线上找一点P连接CP交⊙O于点Q使PQ=OQ则∠CPO=20°或 sketch template

10．如图CD是⊙O的直径以D为圆心的圆与⊙O交于A与了B两点AB交CD于点ECD交⊙D于P已知PC＝6PE∶ED＝2∶1则AB sketch template

如图以 ABC的一边AB为直径作⊙O⊙O与BC边的交点D恰好为BC的中点过点D作⊙O的切线交AC边于点E．1求证DE⊥AC2 sketch template

如图以 ABC的边AB为直径作⊙O交BC于D过D作⊙O的切线交AC于E要使得DE⊥AC则 ABC的边必须满足的条件是．题目和参考 sketch template

如图 ABC为⊙O的内接三角形AB为⊙O的直径点D在⊙O上∠BAC=35°则∠ADC= 度．题目和参考答案——青夏教育精英家教�—— sketch template

如图AB是⊙O的直径且AB=10弦MN的长为8若弦MN的两端在圆上�动时始终与AB相交记点AB 到MN的距离分别为h1h2则 sketch template

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