醬爆盤點君 如圖，三角形abc中，ab是ad的5倍，ac是ae的3倍，三角形ade的面積為1，求三角形abc的面積求面積 數學思維 Sketch Coloring Page

醬爆盤點君 如圖，三角形abc中，ab是ad的5倍，ac是ae的3倍，三角形ade的面積為1，求三角形abc的面積求面積 數學思維 Template

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tomski醬爆盤點君 如圖，三角形abc中，ab是ad的5倍，ac是ae的3倍，三角形ade的面積為1，求三角形abc的面積求面積 coloring

醬爆盤點君 如圖，三角形ABC中，AB是AD的5倍，AC是AE的3倍，三角形ADE的面積為1，求三角形ABC的面積 求面積 數學思維 sketch template

醬爆盤點君 每日一題數學題中考數學幾何模型 Facebook sketch template

醬爆盤點君 三角形的穩定性中考數學幾何模型 Facebook sketch template

朱式幸福國中數學：三角形ABC，AB=10、AC=8，BC上的高AD=6，求三角形ABC外接圓的半�？ sketch template

德琦雜記 如圖， ABC 和均是正三角形，點 O 既是 AC 的中點，又是 的中點，求 AA ：BB sketch template

题目：如图，在三角形ABC中，点D是AB的中点，∠DAC=2∠DCA，∠DCB=30度，求∠B的度数知乎 sketch template

如图，在三角形 ABC 中， D 是 BC 的中点， E 、 F AC 的三等分点。已知三角形 的面积是 108 平方厘米。求三角 sketch template

醬爆盤點君 求角的度數幾何數學數學思維進階思維 Facebook sketch template

百度教育 sketch template

百度教育 sketch template

课外兴趣小组活动时，老师提出了如下问题：如图1， ABC中，若AB=8，AC=6，求BC边上的中线AD的取值范围．小明在组内经过合作交流，得到 sketch template

如图， ABC中，AD是角平分线，E、F分别为AC、AB上的点，且∠AED ∠AFD=180°．试问：DE与DF有何关系，并说明理由． 如图 sketch template

如图已知在 ABC中AB=AC点D是 ABC内一点且∠ABD=∠ACD求证AD是∠BAC的平分线．题目和参考答案——青夏教育精英 sketch template

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5．如图⊿ABC是等边三角形点DE分别在BCAC上且BD=CEAD与BE相交于点F 1试说明⊿ABD≌⊿BCE 2⊿ sketch template

如图在三角形ABC中AB＞ACDE分别是ABAC上的点 ADE沿线段DE翻折使点A落在边BC上记为A′．若四边形ADA′E是 sketch template

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百度教育 sketch template

如图 ABC是面积为a的等边三角形AD是BC边上的高点EF是AD上的两点．则图中阴影部分的面积为．题目和参考答案——青夏教育精英家教�—— sketch template

如图，在 ABC中，点D，E分别在边AB，AC上，且∠ABE=∠ACD，BE，CD相交于点G（1）求证： AED∽ ABC；（2）如果BE sketch template

如图在三角形纸片ABC中AB=6BC=8AC=4．沿虚线剪下的涂色部分的三角形与 ABC相似的是ABCD 题目和参考答案——青 sketch template

百度教育 sketch template

题目如图在等边 ABC 中点 D 是线段 BC 上一点作射线 AD 点 B 关于射线 的对称点为 E 连接 EC 并延长 sketch template

百度教育 sketch template

如图所示在三角形ABC中∠ABC=45°CD⊥AB与点DBE平分∠ABC 且BE⊥AC于点E与CD相交于点FH是BC边的中点 sketch template

百度教育 sketch template

百度教育 sketch template

百度教育 sketch template

百度教育 sketch template

如图已知在 ABC中AB=ACD为BC边的中点过点D作DE⊥ABDF⊥AC垂足分别为EF．1求证 BED≌ CFD2 sketch template

连结三角形两边中点的线段叫做三角形的中位线如图�，在 ABC 中，D，E分别是AB，AC的中点，DE 就是 的一条中位线 �们可 sketch template

百度教育 sketch template

题目在 ABC 中AB＝ACD 是直线 BC 上一点不与点重合以 AD 为一边在 AD的右侧作 ADEAD＝AE∠ sketch template

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