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Paralelepi ped vid grec parallos paralelnij i epipedon ploshina prizma osnovoyu dlya yakoyi ye paralelogram 1 2 Zmist 1 Vlastivosti 2 Tipi paralelepipediv 3 Osnovni formuli 3 1 Pryamij paralelepiped 3 2 Pryamokutnij paralelepiped 3 3 Kub 4 Formuli vektornoyi algebri 5 Paralelotop 6 Div takozh 7 Primitki 8 LiteraturaVlastivosti RedaguvatiVsi 6 granej paralelepipeda ye paralelogramami 3 Protilezhni grani rivni ta paralelni 4 Diagonali peretinayutsya v odnij tochci ta dilyatsya v nij navpil 4 Tipi paralelepipediv Redaguvati nbsp Pryamokutnij paralelepiped i jogo vimiri a b cRozriznyayut dekilka tipiv paralelepipediv Pryamij paralelepiped paralelepiped bichni rebra yakogo perpendikulyarni do ploshini osnovi 1 U pryamih paralelepipediv chotiri grani ye pryamokutnikami a osnovi paralelogramami 3 Paralelepipedi yaki ne ye pryamimi nazivayutsya pohilimi Pryamokutnij paralelepiped pryamij paralelepiped osnovoyu v yakomu ye pryamokutnik 3 U pryamokutnogo paralelepipeda vsi grani pryamokutniki 4 Dovzhini troh reber pryamokutnogo paralelepipeda sho mayut spilnu vershinu nazivayut jogo vimirami 1 Vsi chotiri diagonali pryamokutnogo paralelepipeda rivni 5 Modelyami pryamokutnogo paralelepipeda mozhe buti kimnata ceglina sirnikova korobka Kub pryamokutnij paralelepiped z rivnimi storonami 3 Vsi shist granej kuba rivni kvadrati Osnovni formuli RedaguvatiPryamij paralelepiped Redaguvati Plosha bichnoyi poverhni Sb Ro h de Ro perimetr osnovi h visota Plosha povnoyi poverhni Sp Sb 2So de So plosha osnovi Ob yem paralelepipeda dorivnyuye dobutku ploshi jogo osnovi na visotu V So h Pryamokutnij paralelepiped Redaguvati Plosha bichnoyi poverhni Sb 2c a b de a b storoni osnovi c bichne rebro pryamokutnogo paralelepipeda Plosha povnoyi poverhni Sp 2 ab bc ac Ob yem V abc de a b c vimiri pryamokutnogo paralelepipeda U pryamokutnomu paralelepipedi kvadrat diagonali d dorivnyuye sumi kvadrativ jogo vimiriv 5 d2 a2 b2 c2 Kub Redaguvati Plosha povnoyi poverhni Sp 6a2 de a storona Ob yem V a3 Diagonal d a 3 Formuli vektornoyi algebri Redaguvati nbsp Paralelepiped yakij zadayetsya troma vektorami a b i c Dovzhini vektornih dobutkiv a b i b c dorivnyuyut plosham vidpovidnih paralelogramivOb yem paralelepipeda pobudovanogo na vektorah a a 1 a 2 a 3 displaystyle mathbf a a 1 a 2 a 3 nbsp b b 1 b 2 b 3 displaystyle mathbf b b 1 b 2 b 3 nbsp i c c 1 c 2 c 3 displaystyle mathbf c c 1 c 2 c 3 nbsp rozrahovuyetsya yak modul mishanogo dobutku cih vektoriv V a b c b c a c a b displaystyle V left mathbf a cdot mathbf b times mathbf c right left mathbf b cdot mathbf c times mathbf a right left mathbf c cdot mathbf a times mathbf b right nbsp abo V det a 1 a 2 a 3 b 1 b 2 b 3 c 1 c 2 c 3 displaystyle V left det begin bmatrix a 1 amp a 2 amp a 3 b 1 amp b 2 amp b 3 c 1 amp c 2 amp c 3 end bmatrix right nbsp Paralelotop RedaguvatiGarold Kokseter nazvav uzagalnennya paralelepipeda na vishi rozmirnosti paralelotopom V suchasnij literaturi termin paralelepiped chasto vikoristovuyut i u vishih rozmirnostyah 6 Konkretnishe paralelotop v n vimirnomu prostori nazivayetsya n vimirnij paralelotop abo prosto n paralelotop abo n paralelepiped Takim chinom paralelogram ce 2 paralelotop a paralepiped 3 paralelotop Bilsh zagalno paralelotop 7 abo paralelotop Voronogo maye paralelni i kongruentni protilezhni faseti Tozh 2 paralelotop ce paralelogon sho takozh mozhe vklyuchati deyaki geksagoni a 3 paralelotop ce paralelogrannik en Diagonali n paralelotopa peretinayutsya v odnij tochci i cya tochka dilit yih nadvoye Inversiya v cij tochci zalishaye n paralelotop nezminenim Rebra sho vihodyat z odniyeyi vershini k paralelotopa utvoryuyut k reper en v 1 v k displaystyle v 1 ldots v k nbsp vektornogo prostoru i paralelotop mozhna vidtvoriti z cih vektoriv yih linijnimi kombinaciyami z koeficiyentami v mezhah vid 0 do 1 n ob yem n paralelotopa v prostori R m displaystyle mathbb R m nbsp de m n displaystyle m geq n nbsp mozhna obchisliti za dopomogoyu viznachnika Grama Yak alternativa ob yem ce norma zovnishnogo dobutku vektoriv V v 1 v n displaystyle V left v 1 wedge cdots wedge v n right nbsp Yaksho m n ce dorivnyuye absolyutnomu znachennyu viznachnika n vektoriv Div takozh RedaguvatiPrizma Pryamokutnij paralelepiped KubPrimitki Redaguvati a b v Bevz 2002 s 110 Pogorelov 2009 s 73 75 a b v g Kiselyov 1980 s 211 a b v Kramor 2008 s 188 a b Bevz 2002 s 112 Morgan C L 1974 Embedding metric spaces in Euclidean space Journal of Geometry 5 1 101 107 https doi org 10 1007 bf01954540 Deza Michel Grishukhin Viacheslav 2003 Properties of parallelotopes equivalent to Voronoi s conjecture arXiv math 0307170 Literatura RedaguvatiBevz G P Bevz V G Vladimirova N G Geometriya Pidruchnik dlya 10 11 klasiv zagalnoosvitnih navchalnih zakladiv Kiyiv Vezha 2002 ISBN 966 7091 31 7 Pogorelov A V Geometriya 10 11 klassy ucheb dlya obsheobrazovat uchrezhdenij 9 e izd Moskva Prosveshenie 2009 175 s ISBN 978 5 09 021850 4 ros Kramor V S Povtoryaem i sistematiziruem shkolnyj kurs geometrii 4 e izd Moskva Mir i Obrazovanie 2008 336 s ISBN 978 5 94666 476 9 ros Kiselyov A P Elementarnaya geometriya Kniga dlya uchitelya Moskva Prosveshenie 1980 287 s ros Otrimano z https uk wikipedia org w index php title Paralelepiped amp oldid 40096188