mpaHCi^eHdeHmHhixz zuceM noMOv^iio Anamsa BnpojimHocmeû ^6i 



Bonpoci» cocmoHm'b menepB m> onpe^t^eHiH Be^n^HH!» m n n. 3au- 

 MCMCfl CHa^iaAa nepBoio ns* hhxi.. Ilycrnt Gy^emi» ECDF (qepm. 2) 

 mpanenifl aï; pasAOiRHMi» ee na npHMoyroABHHK'b ABCD h ^na np^Moy- 

 ro^LHLie rnpeyroABHHKa -A CE a BDF. ITycniB ôy^emi» nncAO cjiy^aeBi. 

 Bcmpt^n, Kor^a neHmp'b rçHjiiiH^pa Haxo^nmcH BHympn npHMoyrojiLHHKa, 

 a X mo caaioe m> omnoiucHi/i kb Kaai^OMy nsB A^yx^ mpeyroAbHiiKOBB. 

 Cjit^oBamejibHo 



(3) m — fi-\-2l. . 



HmoÔH HaîiinH fx, BOSBMeMi» BHympn npHMoyrojiBHnKa ABCD KaKyio 

 HH ecmB mo^Ky M, h H3o5pa3HM'b en npHMoyroABHBiH Koop^HHamBi AP 

 n PM gpesi) X VL y. IIojioas.ïïM'B, qmo i^eninpB niiJiHH^pa 2r na^aern-b b-b 

 Bmy moïKy, h gmo i^HJiHH^pB o5pamaHCB okoao hca, onHCBiBaemi» koh- 

 HaMïï CBODMH n*Jiyio OKpy^HOcmB; nycmB Gy^emi» g) yroJiB, cocmaBAfle- 

 MHÎi ocBK) HHJiHH^pa Cl nepneH^HKyAflpoMB MP bb mo MrHOBeme, Kor^a 

 HnjuiH^pB KOCHemcH o^hhmb kohi^omb jhhîh AB bb moHKt ^. Yro^iB 

 2(Ç) H3o5pa3HmB ^acmB oKpyatHocmn, onnctiBaeMyio KaiR^siMB kohi^omb 

 unjiiiH^pa, npn Komopoîi ceii nocAt^Hiii Sy^emB na^^amB na cmopony AB. 

 H maKB; 4q) ecmB sejinTOHa yr^a, npii KomopoMB npoiisoû^emB Bcmpt^a 

 HHJiHH^pa CB cmopoHOH) ABy npe/tnojiaraa qenmpB ero bb mo^* M, a 

 flBOHHofi HHmerpaAB AJf(fdxdy, BSflmBiîi Me;R/^y Ha^Ae^ainHMir n^e^t^aMn, 

 BBipaaiaemB BCAu^nny, Komopyio mh H3o6pa3n;in Btime ^pesB [i. 



^jifl onpe^tAeHÎff emoro nnmerpajta, saMtmnMB ^mo J — T Cos.(p, h 

 CA*/(OBame;LbHO dyzz — rSirKç.dcf, npe^tJiBi omHocnmeABHO g) otcbh^ho 

 ôy^^ymB ^ h o, a bb pa3cymAeHin x, o txAB — L — 2y(3).r. HmaKBj 

 noAyTiHMB 



(4) fi:=:4rf^ tp Sin(f.dxd(p = 4r (Z — 2y 3 .r). 



BcAHTOHa X onpe^^tAJiemcfl ho^oShbimb oGpasoMB: moABKO Bepxnm 

 npo^tAi omHOcnme^BHO y Gy^^emB nepeMtHHHu. Osna^iiMB ^pest jr~ 



