已知如图∠ace是 abc的一个外角cp平分∠ace且与ba的延长线交于点p．求证∠bac＞∠b． 题目和参考答案——青夏教育精英家教�—— Sketch Coloring Page

已知如图∠ace是 abc的一个外角cp平分∠ace且与ba的延长线交于点p．求证∠bac＞∠b． 题目和参考答案——青夏教育精英家教�—— Template

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More Sketches

Take a peek at some of the sketches created by our users, are you a sketchite?

sketch #3727 Stitch by Louis Tradieu

anonymous

anonymous
sketch #3727 Stitch by Louis Tradieu

sketch #2483 Una Catrina by sketchmaster

sketchmaster
sketch #2483 Una Catrina by sketchmaster

sketch #5092 Silvers Rayleigh by Wasim Khan

anonymous

anonymous
sketch #5092 Silvers Rayleigh by Wasim Khan

sketch #12 my bear

Tom Kelly
sketch #12 my bear

sketch #5229

anonymous

anonymous
sketch #5229

sketch #2117

anonymous

anonymous
sketch #2117

sketch #4601 PSY Gentleman by Luis Daniel Sanchez Ramirez

anonymous

anonymous
sketch #4601 PSY Gentleman by Luis Daniel Sanchez Ramirez

sketch #4429 Spongebob by Brenda Peña

anonymous

anonymous
sketch #4429 Spongebob by Brenda Peña

sketch #933 mts

anonymous

anonymous
sketch #933 mts

sketch #5083

anonymous

anonymous
sketch #5083

sketch #3755 Panda by Roberto Castro Colimil

anonymous

anonymous
sketch #3755 Panda by Roberto Castro Colimil

sketch #21085 Tobirama by Enrique L. Manly

anonymous

anonymous
sketch #21085 Tobirama by Enrique L. Manly

sketch #302

Chrystal Smith
sketch #302

sketch #1249

Laura Agapi Asnicar
sketch #1249

sketch #4152

Nujie C Nobita
sketch #4152

sketch #4704 Slash

anonymous

anonymous
sketch #4704 Slash

sketch #1459 khvjkhu

anonymous

anonymous
sketch #1459 khvjkhu

sketch #5020 Stitch by Hina Ali

anonymous

anonymous
sketch #5020 Stitch by Hina Ali

sketch #2030

Marlyn Ortiz
sketch #2030

sketch #2479 C 'est qui ? Un rasta qui a manger trop de poulpe farcis. ? Un vieux chanteur de blue grass ? Najdica tomktoo ? A vous de me dire...

Pascal Quéru
sketch #2479 C 'est qui ? Un rasta qui a manger trop de poulpe farcis. ? Un vieux chanteur de blue grass ? Najdica tomktoo ? A vous de me dire...

sketch #5080 Megaman Zero (X) by Muhammad Raiyaan

anonymous

anonymous
sketch #5080 Megaman Zero (X) by Muhammad Raiyaan

sketch #4983

anonymous

anonymous
sketch #4983

sketch #5178 Mewtwo and Transformation by Riley Hart

anonymous

anonymous
sketch #5178 Mewtwo and Transformation by Riley Hart

sketch #3191

anonymous

anonymous
sketch #3191

sketch #5262

anonymous

anonymous
sketch #5262

sketch #5079 SketchToy Pencil by Sarah Prieto

anonymous

anonymous
sketch #5079 SketchToy Pencil by Sarah Prieto

sketch #3429 Another try of Miku xD

Chelley
sketch #3429 Another try of Miku xD

sketch #2477 hhhh

anonymous

anonymous
sketch #2477 hhhh

sketch #2308

anonymous

anonymous
sketch #2308

sketch #5161

anonymous

anonymous
sketch #5161

tomski已知如图∠ace是 abc的一个外角cp平分∠ace且与ba的延长线交于点p．求证∠bac＞∠b． 题目和参考答案——青夏教育精英家教�—— coloring

本题12分已知在 ABC中AC=BC∠ACB=90°点D是AB的中点点E是AB边上一点1直线BF垂直于直线CE于点F交CD sketch template

�如图1已知∠A=12∠ABC=12∠CBD平分∠ABC求∠BDC的度数．�如图2在 ABC中CD是∠ACB的平分线∠A=80 sketch template

PPT 例 1 ：如图 ⊿ ABC 的外角∠ ACD 的平分线 CE 交 BA 的延长线于 E 请说明∠ BAC 与∠ B 有怎样的 sketch template

与三角形有关的角度的计算 sketch template

题目已知CP是等边 ABC的外角∠ACE的平分线点D在边BC上以D为顶点DA为一条边作∠ADF=60°另一边交射线CP于F1 sketch template

如图，已知以 ABC的边AB、AC分别�外作等腰Rt ABD与等腰Rt ACE，其中∠BAD=∠CAE=90°，连接BE、CD，BE和CD相交 sketch template

已知如图� ABC中AIBI分别平分∠BAC∠ABC．CE是 ABC的外角∠ACD的平分线交BI延长线于E联结CI．1设∠ sketch template

题目在数学课上老师提出利用尺规作图完成下面问题已知 ABC是⊙O的内接三角形．求作 ABC中∠BAC的平分线．小明的作法如下1 sketch template

如图在 ABC中∠A=90°AB=ACD 是BC的中点点EF分别是ABAC上的点并且BE=AF1猜想并写出AD与BC所满足 sketch template

5． 如图2 ABC中∠B与∠C的平分线相交于点O过点O作MN∥BC分别交AB AC于点MN若AB=12AC=18BC sketch template

探索三角形的内角与外角平分线1已知如图1在 ABC中两内角平分线BO平分∠ABCCO平分∠ACB若∠A=50°则∠BOC sketch template

如图点E是∠ABC的平分线与 ABC的外角∠ACD的平分线CE的交点∠A=64°你能求出∠E的度数吗 题目和参考答案——青夏教育精英家教�—— sketch template

已知如图a∥b∠2＝46°求∠1的度数——青夏教育精英家教�—— sketch template

已知：如图，BP，CP是 ABC的外角平分线，证明：点P一定在∠BAC的角平分线上．百度教育 sketch template

1如图1BOCO分别是 ABC中∠ABC和∠ACB的平分线则∠BOC与∠A的关系是90° 12∠A90° 12∠A2如图2 sketch template

如图在 ABC中∠ABC和∠BAC的角平分线交于点OOD⊥BCOE⊥ACOF⊥AB垂足分别为DEF． OC平分∠ACB吗为 sketch template

如图∠ACD是 ABC的外角∠ABC的平分线与∠ACD的平分线交于点A1∠A1BC的平分线与∠A1CD的平分线交于点A2 ∠An sketch template

已知如图在 ABC中CH是外角∠ACD的平分线BH是∠ABC的平分线 求证∠A= 2∠H 证明 ∵∠ACD是 ABC的一个外角 sketch template

已知如图∠ACE是 ABC的一个外角CP平分∠ACE且与BA的延长线交于点P．求证∠BAC＞∠B． 题目和参考答案——青夏教育精英家教�—— sketch template

$1如图1三角形ABC中BO平分∠ABCCO平分∠ACB则∠BOC与∠A的数量关系是∠BOC=90° $frac{1}{2}$∠A sketch template$

如图BD是 ABC的外角∠ABP的角平分线DA=DCDE⊥BP于点E若AB=5BC=3则BE的长为 A．2B．15C．1D sketch template

如图1 2 22已知 ABC≌ DEF对应边AB=DE 对应角∠B=∠DEF ——青夏教育精英家教�—— sketch template

1如图BDCD分别是 ABC的两个外角∠CBE∠BCF 的平分线试探索∠BDC与∠A之间的数量关系． 2如图BD为 ABC的 sketch template

如图� ABC中ABC的角平分线与ACB的外角ACD的平分线交于A1 1当A为70°时则 ∵∠ACD ∠ABD=∠ ∴∠ACD sketch template

如图�在 ABC中∠ABC=∠CBD是 ABC的角平分线∠A=76° 则∠BDC= ——青夏教育精英家教�—— sketch template

如图，在 ABC中，∠BAC=90°，BP、CP分别平分∠ABC、∠ACB，CQ是∠ACB的外角平分线，有下列结论�∠BPC=135°�∠ sketch template

$如图已知 ABC与 ADE中则∠C=∠E∠DAB=∠CAE∠D=∠B$frac{AF}{AC}$=$frac{AD}{AB sketch template$

如图 ABC的外角∠ACD的平分线CP与内角∠ABC平分线BP交于点P．1延长BA至点E求证PA平分∠CAE2若∠BPC=40 sketch template

如图� ABC中ABC的角平分线与ACB的外角ACD的平分线交于A1 1当A为70°时则 ∵∠ACD ∠ABD=∠ ∴∠ACD 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

26．如图已知AD是 ABC的角平分线在不添加任何辅助线的前提下要使 AED≌ AFD需添加一个条件是 并给予证明．——青夏教育 sketch template

如图 ABC的外角∠ACD的平分线CP与内角∠ABC平分线BP交于点P若∠BPC=40°则∠CAP= ． 题目和参考答案——青夏教育精英 sketch template

如图 ABC中已知AB=AC DEF是 ABC的内接正三角形α=∠BDFβ=∠CEDγ=∠AFE则用βγ表示α的关系式是 sketch template

如图，在 ABC中，点D是BC上一点，E是AD上一点，EB=EC，∠ABE=∠ACE。求证：AD⊥BC sketch template

如图已知 ABC的内角∠A=α°分别作内角∠ABC与外角∠ACD的平分线两条平分线交于点A1得∠A1∠A1BC和∠A1CD的平分线交 sketch template

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