已知如图以rt abc的三边为斜边分别�外作等腰直角三角形．若斜边ab＝3则图中阴影部分的面积为 ．——青夏教育精英家教�—— Sketch Coloring Page

已知如图以rt abc的三边为斜边分别�外作等腰直角三角形．若斜边ab＝3则图中阴影部分的面积为 ．——青夏教育精英家教�—— Template

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sketch #3300

anonymous

anonymous
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anonymous
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sketch #5217

anonymous

anonymous
sketch #5217

sketch #4649

anonymous

anonymous
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sketch #4734 Timon by Anh Vu

anonymous

anonymous
sketch #4734 Timon by Anh Vu

sketch #245 Fishy

Lucy Barnard
sketch #245 Fishy

sketch #4031

anonymous

anonymous
sketch #4031

sketch #5154

anonymous

anonymous
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sketch #5073 Broken Heart by Islam Mourad

anonymous

anonymous
sketch #5073 Broken Heart by Islam Mourad

sketch #5197 Rihanna by Ben Hall

anonymous

anonymous
sketch #5197 Rihanna by Ben Hall

sketch #1668 SUNSET

anonymous

anonymous
sketch #1668 SUNSET

sketch #2828 One Direction Szabó Zoltán

Szabó Zoltán
sketch #2828 One Direction Szabó Zoltán

sketch #4351

anonymous

anonymous
sketch #4351

sketch #949 jbj

anonymous

anonymous
sketch #949 jbj

sketch #2642 Red dog

Rachel Roe
sketch #2642 Red dog

sketch #3420

anonymous

anonymous
sketch #3420

sketch #4478

Hank Henry Armstrong
sketch #4478

sketch #3950

anonymous

anonymous
sketch #3950

sketch #5086 Lion by Z Ionut Ady

anonymous

anonymous
sketch #5086 Lion by Z Ionut Ady

sketch #5087

anonymous

anonymous
sketch #5087

sketch #4161

Hank Henry Armstrong
sketch #4161

sketch #78 Dino-Roar

Rachel Roe
sketch #78 Dino-Roar

sketch #2625 Dragon by sketchmaster

sketchmaster
sketch #2625 Dragon by sketchmaster

sketch #4511 Yao Ming by Betty Marie Melzer

anonymous

anonymous
sketch #4511 Yao Ming by Betty Marie Melzer

sketch #3479

anonymous

anonymous
sketch #3479

sketch #1114 fire flame camping bonfire

anonymous

anonymous
sketch #1114 fire flame camping bonfire

sketch #4728 Angry Toad by Geneval Mendes

anonymous

anonymous
sketch #4728 Angry Toad by Geneval Mendes

sketch #264

anonymous

anonymous
sketch #264

sketch #3174 John Snow Helga Fon Stein

anonymous

anonymous
sketch #3174 John Snow Helga Fon Stein

tomski已知如图以rt abc的三边为斜边分别�外作等腰直角三角形．若斜边ab＝3则图中阴影部分的面积为 ．——青夏教育精英家教�—— coloring

已知如图以Rt ABC的三边为斜边分别�外作等腰直角三角形．若斜边AB＝3则图中阴影部分的面积为 ．——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则不难证明S1=S2 S3．1如图�分别以直角 sketch template

已知如图以Rt ABC的三边为斜边分别�外作等腰直角三角形．若斜边AB＝3则图中阴影部分的面积为 ．——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

百度教育 sketch template

如图已知Rt ABC中∠ACB=90°∠B＞∠A在 ABC内找一点E使得 EBC和 ABC相似小聪的做法是取AB边上的中线CD sketch template

已知如图�Rt ABC中∠ACB=90°AC=BC点DE在斜边AB上且∠DCE=45°AB=4．1在图中找出两对相似三角形 sketch template

将Rt ABC的各边都扩大4倍则锐角A的余弦值 A不变 B扩大4倍 C原来的025 D不能确定——青夏教育精英家教�—— 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

如图在Rt ABC中∠ACB=90°CD⊥AB于D设AC=bBC=aCD=hAB=c下面有3个�题11a2 1b2 sketch template

如图Rt ABC中已知∠C=90°∠B=48°点D在边BC上BD=2CD把Rt ABC绕点D逆时针旋转m度后如果点B恰好落在初始 sketch template

如图由Rt ABC的三边�外作正方形若最大正方形的边长为8cm则正方形M与正方形N的面积之和为64cm2．题目和参考答案——青夏教育 sketch template

已知如图在Rt ABC中∠ACB=90°∠B=60°CD⊥AB．求证AB=4DB．题目和参考答案——青夏教育精英家教�—— sketch template

图已知Rt ABC∠ABC=90°AB=4BC=3以三边为边长作正方形则所得的六边形DEFGHI的面积为74．题目和参考答案 sketch template

如图已知Rt ABC中∠B=90°tanC=05AB=1在 ABC内有一系列正方形求所有这些正方形面积之和题目和参考答案 sketch template

21． 已知如图Rt ABC≌Rt ADE∠ABC＝∠ADE=900试以图中标有字母的点为端点连结两条线段如果你所连结的两条线段 sketch template

图� 图� 1 已知如图�Rt ABC中∠ACB=90°AC=BC——青夏教育精英家教�—— 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

如图所示已知Rt ABC中AH为斜边BC上的高M为BC中点O为 ABC外心OB交AH于D．求证AD=2DH．题目和参考答案——青 sketch template

已知如图在Rt ABC中∠ACB＝900AD平分∠CAB交BC于点D过点C作CE⊥AD垂足为ECE的延长线交AB于点F过点E作 sketch template

如图 ABC的三边BC＝17CA＝18AB＝19过 ABC内一点P�三边作垂线垂足分别为DEF且BD CE AF＝27求BD sketch template

14．如图Rt ABC中AC=8BC=6∠C=90°⊙I分别切ACBCAB于DEF求Rt ABC的内心I与外心O之间的距离 sketch template

如图以Rt ABC的三边为斜边分别�外作等腰直角三角形．若斜边AB=4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Rt ABC中∠BAC=90°D为BC的中点连接ADE为AB上一点过E作EF∥BC交AD于F．1求证EF=AF．2 sketch template

如图在Rt ABC中∠C=90°D为AC上一点且DA=DB=5又 DAB的面积为10那么DC的长是 A4 B3 C5 sketch template

如图在Rt ABC中∠C=90°BD是∠ABC的平分线交AC于D若CD=mAB=n则 ABD的面积是 A．mnB．12mnC sketch template

题目已知如图在Rt ABC和Rt ACD中AC=BC∠ACB=90°∠ADC=90°CD=2点AB分别在直线CD的左右 sketch template

如图已知Rt ABC的斜边AB=8cmAC=4cm．1以点C为圆心作圆当半径为多长时直线AB与⊙C相切为什么2以点C为圆心 sketch template

如图以AD为直径的半圆O经过Rt ABC的斜边AB的两个端点交直角边AC于点E．BE是半圆弧的三等分点弧BE的长为则图中阴影部分的 sketch template

已知如图在Rt ABC中∠C=90°以AC为直径作⊙O交AB于D过O作OE∥AB交BC于E．1求证ED是⊙O的切线．2 sketch template

如图分别以Rt ABC三边为边�外作三个正方形其面积分别用S1S2S3表示容易得出S1S2S3之间有的关系式．题目和参考答案 sketch template

如图3在Rt ABC中∠C=90°CA=CB=2分别以ABC为圆心以AC为半径画弧三条弧与边AB所围成的阴影部分的面积是 sketch template

如图在Rt ABC中∠ACB=90°AC=3BC=4将边AC沿CE翻折使点A落在AB上的点D处再将边BC沿CF翻折使点B落在 sketch template

已知如图Rt ABC≌Rt ADE∠ABC＝∠ADE=90°试以图中标有字母的点为端点连结两条线段如果你所连结的两条线段满足相等 sketch template

如图以Rt ABC的直角边AC和斜边AB为边分别作Rt ADC和正方形ABEF再以AD作正方形ADGH．已知∠ACB=90°正方形 sketch template

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