如图所示等边三角形abc为透明柱状介质的横截面一束平行于角平分线bd的单色光由ab面射入介质经ab面折射的光线恰好平行于bc．则介质对此 Sketch Coloring Page

如图所示等边三角形abc为透明柱状介质的横截面一束平行于角平分线bd的单色光由ab面射入介质经ab面折射的光线恰好平行于bc．则介质对此 Template

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anonymous

anonymous
sketch #2904 Pinky and the Brain by Tim Poole

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anonymous

anonymous
sketch #5228 Rin & Len by Mark Phillips

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anonymous

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anonymous

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sketch #578 Butterflies

anonymous

anonymous
sketch #578 Butterflies

sketch #5116 Bleach by Vrushali Rane

anonymous

anonymous
sketch #5116 Bleach by Vrushali Rane

sketch #4385

anonymous

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sketch #4385

sketch #3686 Toy Story by Thania Arruda

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sketch #3558 Eye Rubel Parvez

sketch #2645 Flowers in window

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anonymous

anonymous
sketch #5191 The View by Vicente Vera

sketch #5211

anonymous

anonymous
sketch #5211

sketch #2464 Spongebob by sketchmaster

sketchmaster
sketch #2464 Spongebob by sketchmaster

sketch #3236 Sunset by Aaron Bahary

anonymous

anonymous
sketch #3236 Sunset by Aaron Bahary

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anonymous

anonymous
sketch #3857

sketch #3708

anonymous

anonymous
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sketch #5112

anonymous

anonymous
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sketch #20690

anonymous

anonymous
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sketch #5095 Lion by Frederic Knauer

anonymous

anonymous
sketch #5095 Lion by Frederic Knauer

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anonymous

anonymous
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sketch #4349 Cícero Николай Герасимов

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anonymous
sketch #4349 Cícero Николай Герасимов

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sketch #4830

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sketch #3083 Great illustration Ali Hänel

anonymous

anonymous
sketch #3083 Great illustration Ali Hänel

tomski如图所示等边三角形abc为透明柱状介质的横截面一束平行于角平分线bd的单色光由ab面射入介质经ab面折射的光线恰好平行于bc．则介质对此 coloring

如图， ABC是等边三角形，D是BC边上一点，且满足∠ADE=60∘，DE交等边三角形ABC的外角平分线CE所在直线于点E，试探究AD与DE的 sketch template

如图所示在等边 ABC中点DE分别在边BCAB上且BD=AEAD与CE交于点F则∠DFC的度数为 A．60°B．45°C sketch template

如图所示，边长为2的等边三角形中，D点在边上运动（不与B、C重合），点E在边的延长线上，点F在边的延长线上，．点D在边上从B至C的运动过程 sketch template

三角形的中线、角平分线、高七年级数学下册优秀教案北师大版 Word文档免费下载文档大全 sketch template

如图所示 ABC为等边三角形BD平分∠ABCDE⊥BC于EEC＝1则BC＝题目和参考答案——青夏教育精英家教�—— sketch template

如图所示 ABC是等边三角形D点是AC的中点延长BC到E使CE=CD 1用尺规作图的方法过D点作DM⊥BE 垂足是M不 sketch template

如图等边三角形ABC的边长为6A、B、A1三点在一条直线上且 ABC≌ A1BC1若D为线段BC1上一动点则AD CD的最小值是 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

如图所示已知 ABC和 DCE都是等边三角形图中的三角形可以通过旋转相互得到的是A ACE和 BCDB ABF和 CFDC ABC sketch template

如图所示已知等边三角形ABC的边长为1按图中所示的规律用2011个这样的等边三角形镶嵌而成的四边形的�长是．题目和参考答案——青夏 sketch template

10．如图所示已知 ABC和 DCE均是等边三角形点BCE在同一条直线上AE与BD交于点OAE与CD交于点GAC与BD交于点F sketch template

1如图1所示若P为等边 ABC内一点∠BPC=150° BPP′是等边三角形求证PC2 PB2=PA22如图2所示点P为 sketch template

如图， ABC是等边三角形，它的面积为1，延长BC至D，使BD=2BC，延长CA至E，使CE=3CA，延长AB至F，使AF=4AB，求 DEF sketch template

如图D为等边三角形ABC的边BC上的一点以AD为边作等边三角形ADE连接BE．1求证BE=CD2分别取BECD的中点MN sketch template

如图，三角形ABC三角形CDE为等边三角形，BCD在一条线上，等边三角形ABC等 60813 趣�几何数学天地 33IQ sketch template

把等边三角形ABC的每条边6等分组成如下图的三角形�，如图中每个小三角形的面积都是1平方厘米。求图中三角 百度知道 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

如图已知等边三角形ABC中内有一点PPA=3PC=4PB=5求此等边三角形ABC的边长百度知道 sketch template

如图所示已知 ABC和 DCE都是等边三角形图中的三角形可以通过旋转相互得到的是A ACE和 BCDB ABF和 CFDC ABC sketch template

百度教育 sketch template

如图等边三角形ABC中AB=5延长BC至点P使CP=3将 ABC绕点B顺时针旋转a角得到 DBE连接DPEP则当 DPE为 sketch template

10．如图所示已知 ABC和 DCE均是等边三角形点BCE在同一条直线上AE与BD交于点OAE与CD交于点GAC与BD交于点F sketch template

如图所示点P是等边三角形ABC内的一点且PA=6PB=8PC=10若将 PAC绕点A逆时针旋转后得到 P′AB则∠APB等于 sketch template

如图C为线段AE上一动点在AE同侧分别作等边三角形ABC和等边三角形CDEAD与BE交于点OAD与BC交于点PBE与CD交于点Q sketch template

8．如图所示O是等边三角形ABC的中心D是三角形中的任意一点如果作矢量DADBDC分别表示三个力三个力的方�如图中箭头所示则这三 sketch template

如图所示已知边长为3的等边 ABC点F在边BC上CF=1点E是射线BA上一动点以线段EF为边�右侧作等边 EFG直线EGFG交 sketch template

如图所示在等边三角形的三个顶点ABC处分别固定电荷量相等的正负点电荷．BOD是AC的中垂线MN关于O点对称．若检验电荷 Q仅在电场力 sketch template

如图所示已知 ABC和 BDE都是等边三角形且ABD三点共线．下列结论�AE=CD�BF=BG�HB平分∠AHD�∠AHC sketch template

如图所示点P是等边三角形ABC内的一点且PA=6PB=8PC=10若将 PAC绕点A逆时针旋转后得到 P′AB则∠APB等于 sketch template

如图所示，边长为的等边三角形内有垂直于纸面�里、磁高途 sketch template

如图D是等边三角形ABC外一点若BD=8CD=6连接AD则AD的最大值与最小值的差为 12 百度教育 sketch template

如图所示等边三角形ABC的边长为4$sqrt{3}$过点A作AD⊥ABAD=2以AD为边在AD左侧作菱形ADEF∠DAF=60 sketch template

如图所示等边三角形ABC边长为L在顶点AB处有等量同种点电荷QAQBQA=QB= Q求在顶点C处的正点电荷QC所受的静电力 sketch template

如图用三个边长为a的等边三角形拼成如图1所示的等腰梯形现将这个等腰梯形截成四个全等的等腰梯形然后将其中的一个等腰梯形按照上述方法再截 sketch template

如图所示有一等边三角形ABC在BC两点各放一个质量为m的小球在A点放一个质量为2m的小球则这个球组的重心在何处——青夏教育精英家教�—— sketch template

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