.Whatistheradiusofthesemicircle?Problem23Eachdayforfourdays,Lindatraveledforonehourataspeedthatresultedinhertravelingonemileinanintegernumberofminutes.Eachdayafterthefirst,herspeeddecreasedsothatthenumberofminutestotravelonemileincreasedby5minutesovertheprecedingday.Eachofthefourdays,herdistancetraveledwasalsoanintegernumberofmiles.Whatwasthetotalnumberofmilesforthefourtrips?Problem24专业技术.整理分享WORD资料.可编辑Mrs.Sandershasthreegrandchildren,whocallherregularly.Onecallshereverythreedays,onecallshereveryfourdays,andonecallshereveryfivedays.AllthreecalledheronDecember31,2016.Onhowmanydaysduringthenextyeardidshenotreceiveaphonecallfromanyofhergrandchildren?Problem25Inthefigureshown,andarelinesegmentseachoflength2,and.Arcsandareeachone-sixthofacirclewithradius2.Whatistheareaoftheregionshown?专业技术.整理分享
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