考满分4月数学-系统习题6有作业

正确答案22TheradiusofthelargecircleisR.Theradiusofthesmallcircleisr.Theareasoftheshadedregionandthewhite...正确答案33Oisthecenterofthecircle.Xisapointonthecircle,andY(nothown)isapointinsidethecircle.OXOY正确答案44正确答案551＜x＜2ThevolumeofacubewhoseedgesarexThevolumeofarectangularsolidwhosedimensionsare(x-1),xand(x+1)正确答案66正确答案ThemeasuresoftheanglesinΔIareintheratioof1:2:3;ThemeasuresoftheanglesinΔIIareintheratio2:7:9.[QA]measureofthelargesta...正确答案88Thefigurebelowconsistsoffourcircleswiththesamecenter.Theradiiofthefourcirclesare1,2,3,and4.[QA]Th...正确答案99Theareaofarighttrianglewhosesidesare6,8,and10ishowmanytimestheareaofarighttrianglewhosesidesare3,4,and5?正确答案Thecircumferenceofacircleis12.Whichofthefollowingisclosesttotheareaofthe正确答案Arectangleisdrawninastandardxy-coordinateplane.Ifthesidesoftherectanglearenotparalleltotheaxes,whatistheproductoftheslop...正确答案Whatistheareaofacirclewhoseradiusisthediagonalofasquarewhoseareais正确答案Whatisthesurfacearea,insquareinches,ofacubewhosevolumeis216cubic正确答案Inthetriangleabove,whatisthevalueof正确答案Inthefigureabove,theradiusofcircleOis3,andm∠AOB=60Whatistheperimeteroftheshadedregion?正确答案CircleOhasaradiusof3,andisintersectedbyalineatpointsRandS.WhatistheumpossibledistancebetweenRandS?正确答案Thelengthsoftwosidesofatriangleare3and4.Whichofthefollowingcouldbethelengthofthethirdside?Indicateallsuchlengths.正确答案：BCDEThelengthsoftwosidesofatriangleare5cmand9cm.Whichofthefollowingisapossiblelength,incm,ofthethirdside?Selectallpos...正确答案：B,Ifthetotalsurfaceareaofacubeis864,whatisthevolumeofthe正确答案Arectanglehasasideof10andadiag