如图在正三角形abc中def分别为各边的中点ghij分别为afadbede的中点．将 abc沿deefdf折成三棱锥 Sketch Coloring Page

如图在正三角形abc中def分别为各边的中点ghij分别为afadbede的中点．将 abc沿deefdf折成三棱锥 Template

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sketch #2937 Spongebob by Kalana Namikaze

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anonymous
sketch #2937 Spongebob by Kalana Namikaze

sketch #5265 Shir Erika Ishikawa

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sketch #5265 Shir Erika Ishikawa

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anonymous
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sketch #4091 Irie

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sketch #4091 Irie

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Helyryn
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sketch #5066 Rey Helado by Gleny Acevedo

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sketch #5066 Rey Helado by Gleny Acevedo

sketch #2910 Harley Quinn Germaine Hoens

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sketch #2910 Harley Quinn Germaine Hoens

sketch #270

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anonymous
sketch #270

sketch #2777 Ralph & Vanellope by Alexander Volodimirovich Danilchenko

Alexander Volodimirovich Danilchenko
sketch #2777 Ralph & Vanellope by Alexander Volodimirovich Danilchenko

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Raisa Mahmud
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sketch #4546 Misaki Mei by Wanis Khelifa

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sketch #4546 Misaki Mei by Wanis Khelifa

sketch #3539 Octo by Aristo A. Kadir

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sketch #3539 Octo by Aristo A. Kadir

sketch #3088 Billy from Saw by Naulian Ciko

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sketch #3088 Billy from Saw by Naulian Ciko

sketch #970 Depression

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sketch #970 Depression

sketch #3590

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sketch #3590

sketch #4405 Cat by Nizamuddin Shuja

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sketch #4405 Cat by Nizamuddin Shuja

sketch #1451 mi6softlab vibra

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sketch #1451 mi6softlab vibra

sketch #1995

Laura Agapi Asnicar
sketch #1995

sketch #25 Suzzy the stegosaurus

Rachel Roe
sketch #25 Suzzy the stegosaurus

sketch #4882 Monsters University by John Davis

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sketch #4882 Monsters University by John Davis

sketch #3786

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anonymous
sketch #3786

sketch #5434

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anonymous
sketch #5434

sketch #4387 dong air

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sketch #4387 dong air

sketch #5187

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anonymous
sketch #5187

sketch #4990

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sketch #4995

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sketch #5184 Walter White by Abdul Ghony

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sketch #5184 Walter White by Abdul Ghony

tomski如图在正三角形abc中def分别为各边的中点ghij分别为afadbede的中点．将 abc沿deefdf折成三棱锥 coloring

如图，在三角形ABC中，D、E、F分别是BC、CA、AB上的点，AD、BE、CF相交于一点O，这样三角形ABC被分成6个三角形，其中4个三角形 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：在三角形ABC中，若AC CD=AB，∠ ADC=70^° ，∠ ACB=80^° ，求∠ B？百度教育 sketch template

如图在 ABC中AB=AC∠A=36°请你设计三种不同的方法将 ABC分割成三个等腰三角形不要求写出画法不要求证明但是要标出所 sketch template

百度教育 sketch template

如图在三角形ABC中BDDC=12E为AD的中点若三角形ABC的面积为120平方厘米则阴影部分的面积是多�平方厘米题目和参考 sketch template

如图在正三角形ABC中DEF分别为各边的中点GHIJ分别为AFADBEDE的中点．将 ABC沿DEEFDF折成三棱锥 sketch template

如图在 ABC中分别以ABAC为边�外作等腰直角三角形ABE等腰直角三角形ACD其中∠BAE=∠CAD=90°BD与CE相交于点O sketch template

7分如图在 ABC中∠BAC=60°AE是 ABC中与∠BAC相邻的外角的平分线且AE∥BC则 ABC是等边三角形吗为什么百度教育 sketch template

如图在正三角形ABC中DEF分别为各边的中点GHIJ分别为AFADBEDE的中点．将 ABC沿DEEFDF折成三棱锥 sketch template

百度教育 sketch template

如图在 ABC中点D是AB边上的一点1请用尺规作图法在 ABC内求作∠ADE使∠ADE=∠BDE交AC于E不要求写作法 sketch template

三角形ABC中，角ACB=100度，角CAB=30度，P是三角形ABC内一点，且角PAB=20度，角PCA=40度，求角PBA的度数百度知道 sketch template

在三角形ABC中点O是AC边上一个动点过点O作MN∥BC设MN交∠BCA的平分线于点E交 ABC的外角∠ACD平分线于点E．1求证 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�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

如图已知在等边三角形ABC中DE是ABAC上的点且AD=CE．求证CD=BE．题目和参考答案——青夏教育精英家教�—— 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 1 如图�分别以直角三角形ABC三边为 sketch template

如图所示，已知边长为4的正三角形ABC中，E，F分别为BC和AC的中点，PA=2，且PA⊥平面ABC，设Q是CE的中点（1）求证：AE∥平面 sketch template

如图以直角三角形ABC的三边长分别为6cm 8cm10cm分别以它的三边为直径�上做三个半圆则图中的阴影部分面积为 ——青夏教育 sketch template

如图在三角形ABC中BDDC=12E为AD的中点若三角形ABC的面积为120平方厘米则阴影部分的面积是多�平方厘米题目和参考 sketch template

如图在三角形ABC中BE=EF=FCED=2DA求阴影部分的面积是三角形ABC面积的几分之几题目和参考答案——青夏教育精英家教�—— sketch template

百度教育 sketch template

如图等腰三角形ABC中AB=AC顶角∠A=20°在边AB上取一点D使AD=BC求∠BDC的度数题目和参考答案——青夏教育精英家教�—— sketch template

如图 ABC是等腰三角形∠C=90°D是AB的中点点EF分别在ACBC边上运动且保持AE=CF连接DEDFEF．在此运动 sketch template

如图在等腰 ABC中AB=AC以AB为直径的圆O交BC于点D过点C作CF∥AB与⊙O的切线BE交于点E连接DE．1求证BD sketch template

如图在 ABC中BDCE分别为三角形的两条高交于点O �问图11中有个三角形与相似它们是 �连结DE ADE与 ABC是否相似 sketch template

如图在三角形ABC中BC=8厘米AD=6厘米EF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

百度教育 sketch template

百度教育 sketch template

如图在三角形ABC中BC=8厘米AD=6厘米EF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

三角形ABC在正方形�格中的位置如图所示�格中每个小方格的边长为1个单位长度请根据下列提示作图1将三角形ABC�上平移3个单位长度再 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，图中所有的三角形都是直角三角形，四边形都是正方形．已知正方形A，B，C，D的边长分别是12，16，9，12，求最大正方形E的面积．百度教育 sketch template

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