Source for the istio.io site. Contribute to istio/istio.io development by creating an account on GitHub.
"2COM.COM"
We read every piece of feedback, and take your input very seriously. Include my email address so I can be contacted Cancel Submit feedback Saved searches Use saved searches to filter your results more quickly Cancel Create saved search Sign in Sign up Reseting focus {...
在OAEF50DEB中AF=BDAt=CDE3∴ΔAEFacksimΔ EB∴∠A=∠D 1/1b(3c-50c+c 中ACDCC=CC16A1BChDFC∵(DE)/(EF)=(DF)/(AC) ∴(DE)/(EF)=(AC)/(BC)【解析】TOAE50DEB中AF=BDAt=CDE△AEF△DEB∴∠A=∠D 在OABC5ODFCR∵∠A=∠D C=CC(16A13C)ΔDFC ∵(DE)/(EF)=(DF)/(AC...
【题目】如图所示,ABCD是长方形,EF与宽平行,GH与长平行,AB的长是12厘米,BC的长是8厘米,求图中阴影部分的面积。EBGHDFC 相关知识点: 空间与几何 平面图形 封闭图形 直线型 三角形 三角形的面积 试题来源: 解析 【解析】【答案】48平方厘米。【解析】图中的阴影面积由四个三角形组成。每个三角形的面积是对应...
Primary office SWIFT codes contains eight(8) characters. Branch office SWIFT codes contains eleven(11) characters. The above list is the currently available data of SWIFT / BIC codes of Bc Procredit Bank S A in Moldova. Recent blog posts Citibank Personal Loan HDFC Bank Personal Loan...
椅面底部有一根可以绕点H转动的连杆HD,点H是CD的中点,FA,EB均与地面垂直,测得FA=54cm,EB=45 cm,AB=48 cm.(1)椅面CE的长度为;(2)如图③,椅子折叠时,连杆 HD绕着支点H带动支撑杆 AD,BC转动合拢,椅面和连杆夹角∠CHD的度数达到最小值30°时,则EC与水平面的夹角为EFHDFCHDCE00B图①图②图③第16...
解:由平移的性质知,CF=BE=3,AC=DF=6,KC=AC-AK=6-2=4,∴S_(四边形HDFC)=S_(△ EFD)-S_(△ EKC)=S_(梯形DFKC)=(KC+DF)2⋅ CF=(4+6)2*3=15,故答案为:15.根据平移的性质得出CF=BE=3,进而S_(四边形ABEK)=S_(△ EFD)-S_(△ EKC)=S_(梯形DFKC)可得到答案.此题主要考查了平移的...
【题目】中国古代建筑物中,房屋的顶梁有一种图案是三角形的梁,如图所示,从建筑学角度看,这种结构能最大限度地承受屋面的压力,AD平分∠BAC, AD⊥BC ,EF|/AD/HG,EF平分∠DEC,GH平分∠DGB,若∠BAC=120°,问:斜梁DE、DG与BC的夹角是多少AGEBHDFC
解:由题意知 △ABC≅△DEF ,所以DE=AB=6,EF=BC=8,所以BC-EC=EF-EC,即BE=CE8因为DH=2 CF=8/3所以HE=DE-DH=4,BE=8/3所以S四边形HDFC梯形ABEH2(+E)·BE=2×(6+4)×84033分析:由△ABC≅△DEF ,可知它们的面积相等,都去掉公共部分△HEC后,阴影部分的面积就转化为梯形ABEH的面积,根据全等...