如图ac⊥bccd⊥abde⊥bc分别交bcabbc于cde下列说法中不正确的是aac是abc的高 bde是bcd的高 Sketch Coloring Page

如图ac⊥bccd⊥abde⊥bc分别交bcabbc于cde下列说法中不正确的是aac是abc的高 bde是bcd的高 Template

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sketch #5013 Pursuing Dreams by Mário JBudo

anonymous

anonymous
sketch #5013 Pursuing Dreams by Mário JBudo

sketch #2593 Tweety by sketchmaster

sketchmaster
sketch #2593 Tweety by sketchmaster

sketch #3999 Deadmau by Speeð Üp Säm

anonymous

anonymous
sketch #3999 Deadmau by Speeð Üp Säm

sketch #3217

anonymous

anonymous
sketch #3217

sketch #4957

anonymous

anonymous
sketch #4957

sketch #3505 Django

anonymous

anonymous
sketch #3505 Django

sketch #3138 Papa Smurf by Courtney Spragg

anonymous

anonymous
sketch #3138 Papa Smurf by Courtney Spragg

sketch #2431 face :D

anonymous

anonymous
sketch #2431 face :D

sketch #3786

anonymous

anonymous
sketch #3786

sketch #3508 Medusa by Nelly Panambo

anonymous

anonymous
sketch #3508 Medusa by Nelly Panambo

sketch #389

anonymous

anonymous
sketch #389

sketch #1490 James Joyce....

anonymous

anonymous
sketch #1490 James Joyce....

sketch #3148

anonymous

anonymous
sketch #3148

sketch #5314

anonymous

anonymous
sketch #5314

sketch #126

Chris Shrimp Lonsdale
sketch #126

sketch #3197 Dragon by Yuryi Zambrano

anonymous

anonymous
sketch #3197 Dragon by Yuryi Zambrano

sketch #1060

anonymous

anonymous
sketch #1060

sketch #4454 Lisa by Muhammad Raiyaan

anonymous

anonymous
sketch #4454 Lisa by Muhammad Raiyaan

sketch #4349 Cícero Николай Герасимов

anonymous

anonymous
sketch #4349 Cícero Николай Герасимов

sketch #2744 Burce Lee by Karim Tayyeby

Karim Tayyeby
sketch #2744 Burce Lee by Karim Tayyeby

sketch #5050

anonymous

anonymous
sketch #5050

sketch #542 life

anonymous

anonymous
sketch #542 life

sketch #3567 Worried Girl by Juvenilia Alexandrino

anonymous

anonymous
sketch #3567 Worried Girl by Juvenilia Alexandrino

sketch #3350 Gerard Way by Carrieann Benthem

anonymous

anonymous
sketch #3350 Gerard Way by Carrieann Benthem

sketch #2862 Grumpy Cat

anonymous

anonymous
sketch #2862 Grumpy Cat

sketch #5181

anonymous

anonymous
sketch #5181

sketch #4362 cow

anonymous

anonymous
sketch #4362 cow

sketch #1459 khvjkhu

anonymous

anonymous
sketch #1459 khvjkhu

sketch #5227

anonymous

anonymous
sketch #5227

sketch #5151

anonymous

anonymous
sketch #5151

tomski如图ac⊥bccd⊥abde⊥bc分别交bcabbc于cde下列说法中不正确的是aac是abc的高 bde是bcd的高 coloring

题目如图已知AC⊥BCAD⊥BDE为AB的中点1如图1求证 ECD是等腰三角形2如图2CD与AB交点为F若AD sketch template

如图四边形ABCD内接于⊙OAB是⊙O的直径AC和BD相交于点E且1求证BC=CD2分别延长ABDC交于点P过点A作 sketch template

15．如图已知AB是⊙O的直径点C是⊙O上一点连结BCAC过点C作直线CD⊥AB于点D点E是AB上一点直线CE交⊙O于点F连结 sketch template

如图AC⊥BCCD⊥ABDE⊥BC分别交BCABBC于CDE下列说法中不正确的是AAC是ABC的高 BDE是BCD的高 sketch template

如图1已知AB是⊙O的直径弦CD⊥AB于点E点M在⊙O上∠M=∠D1判断BC与MD的位置关系并说明理由2若AE=8BE sketch template

如图AB是⊙O的直径点C为弧BD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ADBF1求证 sketch template

如图所示，在 ABC中，AD⊥BC于D，CE⊥AB于E，AD与CE交于点F，且AD=CD，1求证 ABD≌ CFD；2已知BC=7 sketch template

如图在 ABC中CE是中线CD是角平分线AF⊥CD交CD延长线于点FAC=7BC=4则EF的长为 A 15 B 2 sketch template

如图 ABC为等边三角形以边BC为直径的半圆与边ABAC分别交于DF两点过点D作DE⊥AC垂足为点E．1判断DE与⊙O的位置 sketch template

$已知线段ABCD为⊙O的两条弦且AB⊥CD于点H连接ACBCBD．1如图1过圆心O作OE⊥BD于点E求证OE=$frac sketch template$

如图在Rt ABC中AC=1BC=xD为斜边AB的中点．将 BCD沿直线CD翻折．若在翻折过程中存在某个位置使得CB⊥AD则x的 sketch template

如图在 ABC中∠C=90°AC=BCAD是角平分线DE⊥AB．垂足为E．求证BE=DE=CD．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所示在 ABC中AB=AC点O为 ABC的外心点D是AB的中点点E是 ACD的重心求证OE⊥CD．题目和参考答案——青夏 sketch template

如图⊙O的两条弦ABCD互相垂直垂足为E且AB=CD．1求证AC=BD．2若OF⊥CD于FOG⊥AB于G问四边形 sketch template

如图AC⊥BCD在AB上∠CDA=90°则线段CDCD的长度是点C到直线AB的距离线段BC的长度是点B到直线ACAC的距离．题目和 sketch template

如图 ABC内接于⊙OAB=AC连接AO并延长交BC于点D1求证BD=CD2如图点P为弧AB上一点连接BPCP作AH sketch template

如图D为直角 ABC的斜边AB上一点DE⊥AB交AC于E如果 AED沿DE翻折A恰好与B重合联结CD交BE于F如果AC=8 sketch template

如图已知平行六面体ABCD A1B1C1D1的底面ABCD是菱形且∠C1CB=∠C1CD=∠BCD=60°．1证明C1C⊥BD2 sketch template

如图在梯形ABCD中AD∥BCAB=AC∠BAC=90°BC=BDAC与BD相交于O．求证CD=CO．题目和参考答案——青夏 sketch template

如图在Rt ABC中∠C=90°DE⊥ABAC=BE=15BC=20则四边形ACED的面积为 75 96——青夏教育精英家教�—— sketch template

在⊙O中OC⊥弦AB垂足为C点D在⊙O上．1如图1已知OA=5AB=6如果OD∥ABCD与半径OB相交于点E求DE的长 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面积为解析如图作AM⊥BC sketch template

如图1在四边形ABCD中如果对角线AC和BD相交并且相等那么�们把这样的四边形称为等角线四边形．1�在“平行四边形矩形菱形 中 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，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

已知四边形ABCD内接于⊙O对角线ACBD交于点P．1如图1设⊙O的半径是r若AB CD=πr求证AC⊥BD2如图2过 sketch template

如图在四面体ABCD中AB⊥面BCD面ABC⊥面ACD且∠ACB=∠CBD=45°1求证BC⊥CD2求直线AC与平面 sketch template

如图在 ABC中以AB为直径的⊙O交BC于点D且BD=CD交直线AC于点E连接BE．1如图1求证∠CAB=2∠CBE2 sketch template

如图已知在四边形ABCD中∠BAD=∠BCD=90°BC=CDE是AD延长线上一点若DE=AB=3cmCE=42cm．1试证明 sketch template

在菱形ABCD中AE⊥BCAF⊥CD且EF分别为BCCD的中点那么∠EAF的度数为 A75° B60°C45° D sketch template

在⊙O中OC⊥弦AB垂足为C点D在⊙O上．1如图1已知OA=5AB=6如果OD∥ABCD与半径OB相交于点E求DE的长 sketch template

如图所示在四边形ABCD中AD∥BCE为CD的中点连接AEBEAB=AD BC．求证BE⊥AE．题目和参考答案——青夏教育精英 sketch template

11．如图AC⊥BCAD⊥BDE为AB中点连结CDCEDE猜想 CDE是什么三角形试说明理由——青夏教育精英家教�—— sketch template

探究1如图1在ABC与ADE中AB=ACAD=AE∠BAC=∠DAE=90°连结BDCE．请写出图1中所有全等的三角形 sketch template

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