如图在锐角 abc中cdbe分别是abac边上的高且cdbe交于一点p若∠a=50°则∠bpc的度数是 A．150° B Sketch Coloring Page

如图在锐角 abc中cdbe分别是abac边上的高且cdbe交于一点p若∠a=50°则∠bpc的度数是 A．150° B Template

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sketch #3383

anonymous

anonymous
sketch #3383

sketch #521 A hungry caterpillar

Tom Kelly
sketch #521 A hungry caterpillar

sketch #4855

anonymous

anonymous
sketch #4855

sketch #3716

anonymous

anonymous
sketch #3716

sketch #5190 That Night by Nînâ Yämâhä

anonymous

anonymous
sketch #5190 That Night by Nînâ Yämâhä

sketch #5207 Gorilla by Jean-Benoit Renaud

anonymous

anonymous
sketch #5207 Gorilla by Jean-Benoit Renaud

sketch #4520

anonymous

anonymous
sketch #4520

sketch #3643

anonymous

anonymous
sketch #3643

sketch #5339

anonymous

anonymous
sketch #5339

sketch #4264 oh yeah

anonymous

anonymous
sketch #4264 oh yeah

sketch #1953 愛鼠繪

anonymous

anonymous
sketch #1953 愛鼠繪

sketch #3145 Madoka by Николай Герасимов

anonymous

anonymous
sketch #3145 Madoka by Николай Герасимов

sketch #1447 donara

Donara Smbatyan
sketch #1447 donara

sketch #2018

Charlie Vo
sketch #2018

sketch #3280 Adventure Time by Alina Danielle

anonymous

anonymous
sketch #3280 Adventure Time by Alina Danielle

sketch #5324 Angelina Jolie - Maleficent by Lucas Fajardo

anonymous

anonymous
sketch #5324 Angelina Jolie - Maleficent by Lucas Fajardo

sketch #3897 dolphins playing over the sea

Rachel Christa Ibarrientos
sketch #3897 dolphins playing over the sea

sketch #5018 Owl by Komlós László

anonymous

anonymous
sketch #5018 Owl by Komlós László

sketch #3871

anonymous

anonymous
sketch #3871

sketch #5068

anonymous

anonymous
sketch #5068

sketch #2061

Raisa Mahmud
sketch #2061

sketch #5330 Frozen by Amanda Kachadurian

anonymous

anonymous
sketch #5330 Frozen by Amanda Kachadurian

sketch #5158 Till Lindemann by Cristina Love

anonymous

anonymous
sketch #5158 Till Lindemann by Cristina Love

sketch #4934 Nami-Ki Roberto Castro Colimil

anonymous

anonymous
sketch #4934 Nami-Ki Roberto Castro Colimil

sketch #4755

anonymous

anonymous
sketch #4755

sketch #3151 Spaceship Nessa Kira Hellsing

anonymous

anonymous
sketch #3151 Spaceship Nessa Kira Hellsing

sketch #3567 Worried Girl by Juvenilia Alexandrino

anonymous

anonymous
sketch #3567 Worried Girl by Juvenilia Alexandrino

sketch #2982 Lion by Ati Gohary

anonymous

anonymous
sketch #2982 Lion by Ati Gohary

sketch #4695

anonymous

anonymous
sketch #4695

sketch #4653 Kero by Indike Liyanage

anonymous

anonymous
sketch #4653 Kero by Indike Liyanage

tomski如图在锐角 abc中cdbe分别是abac边上的高且cdbe交于一点p若∠a=50°则∠bpc的度数是 a．150° coloring

如图在锐角 ABC中CD和BE分别是AB和AC边上的高且CD和BE交于点P若∠A=50°则∠BPC的度数是 ． 130 sketch template

如图在锐角 ABC中以ABAC为边分别�形外作等边 ABD ACE连BE和CD交于O点BE交AC于M点CD交AB于N点以下结论 sketch template

如图在锐角 ABC中CDBE分别是ABAC边上的高且CDBE交于一点P若∠A=50°则∠BPC的度数是 A．150° B sketch template

如图在锐角三角形ABC中AH是BC边上的高分别以ABAC为一边�外作正方形ABDE和ACEG连接CEBG和EGEG与HA的延长 sketch template

题目如图在锐角三角形ABC中点DE分别在边ACAB上AG⊥BC于点GAF⊥DE于点F∠EAF=∠GAC．1求证 ADE sketch template

如图，在 ABC中，∠ABC＝90°，AB＝BC，三角形的顶点在相互平行的三条直线l1，l2，l3上，且l1，l2的距离为2，l2，l3的距离 sketch template

如图在锐角 ABC中ADCE分别是BCAB边上的高ADCE相交于FBF的中点为PAC的中点为Q连接PQDE．1求证 sketch template

如图在锐角 ABC中CDBE分别是ABAC边上的高且CDBE交于一点P若∠A=50°则∠BPC的度数是 A．150° B sketch template

如图在 ABC中点DEF分别在边ABACBC上且DE∥BCEF∥AB若AD＝2BD则的值为 A B C D sketch template

三角形“四心”有关性质及证明（内心篇）知乎 sketch template

三角形“四心”有关性质及证明（外心篇）知乎 sketch template

如图在锐角 ABC中以ABAC为边分别�形外作等边 ABD ACE连BE和CD交于O点BE交AC于M点CD交AB于N点以下结论 sketch template

如图在锐角 ABC中AB=2∠BAC=45°∠BAC的平分线交BC于点DMN分别是AD和AB上的动点则BM MN的最小值是 sketch template

7．如图分别是锐角三角形和锐角三角形中边上的高且．若使请你补充条件．填写一个你认为适当的条件即可——青夏教育精英家教�—— sketch template

题目如图锐角 ABC中∠ACB=30°AB=5 ABC的面积为23．1若点P在AB边上且CP=DE分别为边ACBC上的动 sketch template

如图在 ABC中DE两点分别在边ACAB上AB=ACBC=BDAD=DE=BE求∠A的度数．题目和参考答案——青夏教育精英家教�—— sketch template

如图在 ABC中∠A=60° ABC的内切圆I分别切边ABAC于点DE直线DE分别与直线BICI相交于点FG证明FG sketch template

在锐角 ABC中∠A∠B∠C的对边分别为abc如图1所示．1 ABC的面积S与∠Abc之间有什么关系2求证 sketch template

几何最值系列——将军饮马知乎 sketch template

15．如图在 ABC中∠C=90°AB=10经过点C且与边AB相切的动圆与CACB分别交于点DE则线段DE长度的最小值是 sketch template

如图�分别以直角三角形ABC三边为直径�外作三个半圆其面积分别用S1S2S3表示则不难证明S1=S2 S3．1如图�分别以直角 sketch template

阅读下列材料并解决问题．如图1在锐角 ABC中∠A∠B∠C的对边分别是abc过A作 AD⊥BC于D则sinB=ADc sketch template

如图，在 ABC中，AD、BE分别是边BC、AC上的中线，AD与BE交于点O，点F、G分别是BO、AO的中点，联结DE、EG、GF、FD．（1 sketch template

25．如图在 ABC中 DE分别是ACAB上的点 BD与CE交于点O 给出下列三个条件�∠EBO＝∠DCO�∠BEO＝∠CDO sketch template

如图在 ABC中DE分别是边ABAC的中点BC=8则DE=．题目和参考答案——青夏教育精英家教�—— sketch template

问题情境如图1锐角 ABC中分别以ABAC为边�外作等腰 ABE和等腰 ACD使AE=ABAD=AC∠BAE=∠CAD连接 sketch template

如图，在 ABC中，AB=4，AC=3，BC=5，DE是BC的垂直平分线，DE分别交BC、AB于点D、E．1求证： ABC为直角三角形． 2求 sketch template

题目1如图1在四边形ABCD中FE分别是BCAD的中点连结EF并延长分别与BACD的延长线交于点MN则∠BME=∠ sketch template

题目如图BCE三点在同一条直线上AC∥DEAC=CEBC=DE．1求证∠ACD=∠B2若∠A=40°求∠BCD的 sketch template

百度教育 sketch template

在等边三角形ABC中，点D、E分别在AB、BC边上，连结CD，AE交于点P，且CD=AE，∠ BCD=20°，则∠ APD的度数为百度教育 sketch template

如图在三角形ABC中BC=8厘米AD=6厘米EF分别为AB和AC的中点．那么三角形EBF的面积是66平方厘米．——青夏教育精英家教�—— sketch template

14．如图点DEF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所示分别以直角三角形ABC三边为边�外作三个正方形其面积分别用S1S2S3表示若S1=25S3=9则S2的值为 A 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

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