Ukubala umjikelezo weprism ye-pentagonal kubalulekile ukumisela ubude obupheleleyo bamacala alo mzobo wejiyometri we-dimensional-dimensional. Kweli nqaku, siza kuphonononga iindlela zobugcisa eziyimfuneko ukufumana umjikelezo weprism ye-pentagonal, ukubonelela ngesikhokelo esicacileyo nesichanekileyo sokusombulula lo mngeni wezibalo. Ngokuqonda kwakho kunye nobuchule beefomyula eziphambili kunye nobuchule, uya kuba nakho ukubala ngokuchanekileyo umjikelezo weprism ye-pentagonal, ngaloo ndlela usenza nzulu ulwazi lwakho lwejometri.
1. Intshayelelo ekubaleni umjikelezo weprism yepentagonal
Ukubala iperimeter yeprism yepentagonal ngumsebenzi osisiseko kwijometri. Ukusombulula le ngxaki, kuyimfuneko ukuqonda iimpawu zejometri zeprism kwaye usebenzise iifomyula ezithile. Kulo lonke eli candelo, isifundo siya kuboniswa inyathelo ngesinyathelo malunga nendlela yokubala umjikelezo weprism ye-pentagonal, ukubonelela ngezixhobo, iingcebiso eziluncedo kunye nemizekelo ecacileyo ukuququzelela ukuqonda kwakho.
Ngaphambi kokuba uqale ukubala umjikelezo weprism yepentagonal, kubalulekile ukukhumbula iikhonsepthi ezisisiseko. I-pentagonal prism yi-three-dimensional solid eneziseko ezimbini ezinepentagonal, ezidityaniswe ngobuso obuxande okanye obusisikwere. Iperimeter yayo sisimbuku sobude bazo zonke iincam eziyijikelezileyo. Ukuyibala, kufuneka siqale sifumane ubude bomphetho ngamnye. Nje ukuba sinabo bonke ubude, sibongeza ngokulula ukufumana umjikelezo opheleleyo weprism.
Kukho iifomyula ezininzi ezisivumela ukuba sibale umjikelezo weprism yepentagonal. Enye inketho kukusebenzisa ifomula ngokubanzi yomjikelezo weprism, ebandakanya ukuphindaphinda ubude bomphetho wesiseko ngenani lamacala epolygon yesiseko. Enye inketho kukusebenzisa iifomyula ezithile ukubala umjikelezo weeprism eziqhelekileyo okanye ezingaqhelekanga. Imizekelo eneenkcukacha kusetyenziswa zombini iifomula iya kunikwa apha ngezantsi, kunye neengcebiso ezisebenzayo. ukusombulula iingxaki ezinxulumene.
2. Inkcazo kunye neempawu zeprism yepentagonal
I-pentagonal prism yinto eqinileyo yejiyometri equlathe iziseko ezimbini ezinepentagonal kunye nobuso obuhlanu obunxande. Ubuso becala ngalinye budibanisa kwiziseko ezisecaleni kwepentagon, zenza ii-angles ezichanekileyo kwiziseko. Uphawu oluphambili lweprism yepentagonal kukuba bonke ubuso bayo obusecaleni buxande.
Ukuchaza iprism ye-pentagonal, kufuneka sazi inani lamacala eziseko zayo kunye nemilinganiselo yobuso bayo obusecaleni. Kuba iziseko ziipentagons, siya kuba namacala amahlanu kwicala ngalinye. Ukongeza, ubuso becala buya kuba ngamaxande, ngoko ke sidinga imilinganiselo yesiseko kunye nobude boxande ngalunye.
Enye indlela yokubona iprism yepentagonal kukuba nomfanekiso wephiramidi enepentagonal kwaye wandise ubuso obusemacaleni ukwenza ipharalelogram exande. Olu lwandiso ludala ubuso obuxande becala leprism. Ukongeza, kubalulekile ukuqaqambisa ukuba iiprism zepentagonal luhlobo olubanzi lweprism, kuba kukwakho iiprism ezinezinye iimilo zesiseko, ezinje ngequadrangular okanye hexagonal prism.
3. Inkcazo yeefomyula ukubala umjikelezo weprism yepentagonal
Ukubala umjikelezo weprism ye-pentagonal, kufuneka sazi ifomula ehambelanayo. Umjikelezo weprism yepentagonal unokufumaneka ngokudibanisa ubude bawo onke amacala epolygon esisiseko kwaye uphinda-phinda isiphumo ngenani lobuso obusecaleni beprism.
Okokuqala, masichonge ukuba ngawaphi amacala esiseko sepentagon. Ipentagon inamacala amahlanu, esinokuwalebhela njengo-a, b, c, d kunye no-e. Masithi icala ngalinye linobude obahlukileyo. Kubalulekile ukukhumbula ukuba isiseko sepentagon yipolygon eqhelekileyo, nto leyo ethetha ukuba onke amacala ayo anobude obufanayo. Ngoko ke, ubude bawo onke macala esiseko sepentagon bunokumelwa yinguqu enye, umzekelo, "x."
Nje ukuba sibazi ubude bamacala epentagon, sinokubala umjikelezo weprism yepentagonal sisebenzisa ifomula:
Umjikelezo = (a + b + c + d + e) * inani lobuso obusecaleni beprism
4. Inyathelo ngesinyathelo: indlela yokumisela umjikelezo wesiseko se-pentagonal yeprism
Ukumisela umjikelezo wesiseko se-pentagonal yeprism, kuyimfuneko ukulandela la manyathelo:
Isinyathelo se1: Chonga ubude belinye lamacala esiseko sepentagonal. Ukuba lo mlinganiso awaziwa, isixhobo sokulinganisa, esifana nerula okanye iteyiphu yokulinganisa, singasetyenziselwa ukumisela.
Isinyathelo se2: Bala iperimeter yesiseko sepentagonal ngokuphinda-phinda ubude becala nge-5, ekubeni isiseko sepentagonal sinamacala amahlanu obude obulinganayo. Ngokomzekelo, ukuba ubude becala elinye buyi-10 cm, i-perimeter yesiseko se-pentagonal iya kuba yi-50 cm (10 cm x 5).
Isinyathelo se3: Khangela ukuba isiphumo esifunyenweyo sichanekile. Ukwenza oku, unako ukubala i-perimeter yamacala amahlanu esiseko ngokwahlukileyo kwaye udibanise. Isiphumo kufuneka silingane nomjikelezo ofunyenwe kwinyathelo lesi-2. Umzekelo, ukuba amacala esiseko alinganisa i-10 cm, 10 cm, 10 cm, 10 cm kunye ne-10 cm, isixa samacala amahlanu siya kuba yi-50 cm, eqinisekisa. ukuba isiphumo sichanekile.
5. Ukubalwa komjikelezo osecaleni weprism esecaleni
Inokwenziwa ngokulandela amanyathelo ambalwa alula. Okokuqala, kuyimfuneko ukukhumbula ukuba i-pentagonal prism iqinile kunye neziseko ezimbini ze-pentagonal kunye nobuso obuhlanu obunxande. Ukumisela i-perimeter yayo esecaleni, kufuneka sibale isamba sobude bazo zonke ezi buso.
Ukwenza oku, sinokusebenzisa ifomula yomjikelezo wexande, ebandakanya ukuphindaphinda isixa sobude nobubanzi ngamabini. Yobuso icala. Kwimeko yeprism ye-pentagonal, ubude bobuso obusecaleni buya kuhambelana nobude belinye lamacala esiseko, ngelixa ububanzi buya kufana ne-apothem yesiseko. Kufuneka sikhumbule ukuba apothem yepolygon eqhelekileyo ngowona mgama umfutshane ukusuka kumbindi wepoligoni ukuya kwelinye lamacala ayo. Ngoko ke, kufuneka sazi ubude bamacala e-pentagon kunye ne-apothem yesiseko ukuze sibale i-perimeter esecaleni yeprism.
Nje ukuba sibe namaxabiso ahambelanayo, kufuneka siwafake endaweni yawo kwifomula kwaye senze imisebenzi eyimfuneko ukuze sifumane isiphumo. Kubalulekile ukukhumbula ukusebenzisa iiyunithi ezifanelekileyo zokulinganisa kwaye ujikeleze umphumo wokugqibela njengoko kuyimfuneko. Ukuba sineziseko ezininzi ezinamaxabiso ahlukeneyo, kufuneka sibale iperimeter esecaleni nganye ngokwahlukeneyo kwaye songeze ukuze sifumane umjikelezo opheleleyo weprism yepentagonal.
6. Ukongeza i-perimeter yesiseko kunye ne-lateral perimeter ukufumana i-perimeter epheleleyo
Ukufumana umjikelezo opheleleyo yento ijometri, kuyimfuneko yokongeza i-perimeter yesiseko kunye ne-lateral perimeter. Oku kusebenza ngokukodwa kumanani amathathu-dimensional, afana neeprism kunye neesilinda. Amanyathelo ayimfuneko ukwenza lo msebenzi aya kuchazwa ngezantsi.
Isinyathelo se1: Chonga imilo yesiseko sento. Kwimeko yeprism yoxande, umzekelo, isiseko siya kuba sixande. Ngelixa kwi-cylinder, isiseko siya kuba sisangqa.
Isinyathelo se2: Bala umjikelezo wesiseko. Kuxande, kufuneka wongeze onke amacala. Ngakolunye uhlangothi, kwisangqa, kusetyenziswe ifomula 2 p (phi r yiradiyasi yesangqa).
Isinyathelo se3: Bala umjikelezo osecaleni. Eli nyathelo liya kuxhomekeka kubume bento. Umzekelo, kwiprism yoxande, ubude bamacala onke kufuneka bongezwe. Kwisilinda, kufuneka ubale umjikelezo wesangqa sesiseko kwaye uphindaphindeke ngokuphakama kwe-cylinder.
7. Imizekelo ebonakalayo yokubala iperimeter yeprism epentagonal
Ukubala umjikelezo weprism yepentagonal kunokubonakala kunzima, kodwa eneneni kulula kakhulu ukuba ulandela amanyathelo afanelekileyo. Apha ngezantsi kukho imizekelo emininzi esebenzayo ukukunceda uqonde indlela yokusombulula ezi ndidi zeengxaki.
Ukuqala, kubalulekile ukukhumbula ukuba i-perimeter yeprism ye-pentagonal ibalwa ngokongeza ubude bawo onke amacala ayo. Ngenxa yokuba i-pentagonal prism inamacala ali-10 (amacala ama-5 asezantsi kunye namacala ama-5 athe nkqo), kuya kufuneka wazi ubude bazo zonke ukuze ubale umjikelezo ngokuchanekileyo.
Umzekelo osebenzayo ngulo ulandelayo: cinga ukuba une-pentagonal prism enesiseko esiqhelekileyo secala le-4 cm kunye nobude obuyi-8 cm. Ukubala umjikelezo, kufuneka uqale unqume ubude bamacala esiseko. Kwi-prism ye-pentagonal eqhelekileyo, onke amacala esiseko anobude obufanayo, ngoko ke kulo mzekelo icala ngalinye lesiseko ngu-4 cm.
8. Iingqwalasela ezongezelelweyo zokubala umjikelezo weprism epentagonal
Kwijometri, i-pentagonal prism yi-polyhedron eyenziwe ngeepentagon ezimbini ezidibeneyo kwiziseko kunye nobuso obuhlanu obusecaleni obuzixande. Ukubala umjikelezo weprism yepentagonal kunokuba yingxaki, kodwa ngamanyathelo afanelekileyo, inokusombulula. ngokufanelekileyo. Nazi ezinye:
1. Chonga amaxabiso ayimfuneko: Ngaphambi kokuba uqalise ukubala iperimeter, kufuneka uqinisekise ukuba unawo onke amaxabiso ayimfuneko. Oku kuquka umlinganiselo wesiseko sepentagon, ukuphakama kweprism, kunye nobude becala lepentagon. La maxabiso abalulekile ukwenza izibalo ngokuchanekileyo.
2. Bala iperimeter yesiseko sepentagon: Ukubala iperimeter yesiseko sepentagon, dibanisa nje ubude becala ngalinye. Ukuba uyawazi umlinganiselo wecala elinye lepentagon, ungaliphinda-phinda ngesihlanu ukuze ufumane iperimeter epheleleyo yesiseko.
3. Bala iperimeter yomzobo opheleleyo: Wakuba ubala iperimeter yesiseko sepentagon, kufuneka uyiphindaphinde kabini, kuba kukho iziseko ezibini kwiprism yepentagonal. Emva koko, kufuneka udibanise esi siphumo kunye nemveliso yobude becala le-pentagon kunye nenani elipheleleyo lamacala. Oku kuya kukunika umjikelezo opheleleyo weprism yepentagonal.
Khumbula ukuba iperimeter yomzobo inikwa isixa sobude bawo onke amacala awo. Ngokulandela ngononophelo la manyathelo kunye nokusebenzisa iifomyula ezichanekileyo, uya kukwazi ukubala umjikelezo weprism yepentagonal ngokuchanekileyo.
9. Izicelo zokubala umjikelezo weprism epentagonal kubomi bemihla ngemihla
Ubalo lomjikelezo weprism yepentagonal inezicelo ezininzi kwi ubomi bemihla ngemihla. Enye yazo kulwakhiwo lwezakhiwo kunye nezakhiwo zokwakha. Ukwazi i-perimeter ye-pentagonal prism kubalulekile ekunqumeni ubungakanani bezinto ezifunekayo, ezifana nobungakanani bepeyinti eya kusetyenziswa ukugubungela umphezulu wangaphandle weprism.
Esinye isicelo esisebenzayo sokubala umjikelezo weprism ye-pentagonal kuyilo lwegadi kunye neendawo eziluhlaza. Ngokumisela i-perimeter ye-pentagonal prism emele indawo ethile, unokubala ubungakanani bocingo okanye i-mesh efunekayo ukubiyela indawo kwaye uyigcine ikhuselekile kubangeneleli okanye izilwanyana.
Ukongeza, ukubala umjikelezo weprism ye-pentagonal kubalulekile kwishishini lokupakisha kunye nelothutho. Ngokomzekelo, ngokumisela i-perimeter yebhokisi kwimilo ye-pentagonal prism, unokuqinisekisa ukuba ibhokisi inkulu ngokwaneleyo ukuba iqulethe izinto eziza kuhanjiswa, ngaloo ndlela ikhusela umonakalo ngexesha lenkqubo yokuthumela.
10. Uzisebenzisa njani iinkqubo zekhompyutha ukubala iperimeter yeprism yepentagonal
Ukubala umjikelezo weprism yepentagonal usebenzisa iinkqubo zekhompyuter, kukho iindlela ezininzi ezikhoyo. Enye yezona nkqubo zixhaphakileyo kwaye kulula ukuzisebenzisa yi-AutoCAD. Kwi le nkqubo, unokwenza umzobo we-2D weprism ye-pentagonal kwaye usebenzise izixhobo zokulinganisa ukubala umjikelezo. Ungasebenzisa kwakhona iinkqubo ze-3D zemodeli ezifana ne-SketchUp, apho unokwenza i-prism kwi-3D kwaye ulinganise ngokuthe ngqo umjikelezo.
Ukuba ukhetha ukusebenza ngeespredishithi, ungasebenzisa izixhobo ezinje Microsoft Excel o AmaSpredishithi eGoogle. Kwiphepha ukubala, ungafaka imilinganiselo yamacala eprism kwaye usebenzise iifomyula ukubala umjikelezo. Unokwenza umsebenzi wesiko kwiprogram ebala ngokuzenzekelayo umjikelezo xa ufaka imilinganiselo yecala.
Enye inketho kukusebenzisa iilwimi zokucwangcisa ezifana nePython okanye iMATLAB. Ezi lwimi zivumela ukubhala i-algorithms ukubala iperimeter yeprism yepentagonal. Ungafumana izifundo kunye nemizekelo kwi-intanethi eya kukukhokela inyathelo ngenyathelo ekucwangciseni umjikelezo wokubala. Ukongeza, kukho amathala eencwadi athile onokuthi ungenise kwinkqubo yakho kwaye usebenzise imisebenzi echazwe kwangaphambili ukwenza ubalo.
11. Iimpazamo eziqhelekileyo kunye neengcebiso zokuziphepha xa ubala umjikelezo weprism yepentagonal.
Ukubala umjikelezo weprism yepentagonal kunokuba ngumngeni ukuba amanyathelo achanekileyo awalandelwa. Apha, siqulunqe iimpazamo eziqhelekileyo ezenziweyo xa kusenziwa olu balo kunye neengcebiso zokuziphepha.
1. Impazamo eqhelekileyo: Ukungakhumbuli ifomula yomjikelezo weprism epentagonal. Iperimeter yeprism yepentagonal ibalwa ngokudibanisa ubude bawo onke amacala esiseko sepolygon kwaye iphindaphindwe ngomphakamo weprism.
- Icebiso: Ngalo lonke ixesha khumbula ifomula yokubala umjikelezo: P = (Isimbuku sobude bamacala esiseko sepoligoni) x Umphakamo weprism.
2. Impazamo eqhelekileyo: Ukungaqwalaseli ukuphakama kweprism. Enye yezona mpazamo zixhaphakileyo kukubala kuphela umjikelezo wepolygon esisiseko ngaphandle kokuqwalasela umphakamo weprism.
- Icebiso: Qinisekisa ukuba ubandakanya ubude beprism kwisibalo somjikelezo ngokulandela le fomyula ikhankanywe ngasentla.
- Icebiso: Ukuba ukuphakama akukwaziwa, kunokwenzeka ukubala usebenzisa i-theorem yePythagorean okanye iimpawu zejometri zeprism.
3. Impazamo eqhelekileyo: Ukulibala ukongeza ubude bamacala esiseko sepolygon. Xa ubala umjikelezo, kunokuba lula ukulibala ukongeza ubude bawo onke amacala esiseko sepolygon ngokuchanekileyo.
- Icebiso: Qinisekisa ukuba uchonga onke amacala esiseko sepoligoni kwaye wongeze ubude bawo ngokuchanekileyo phambi kokuba uphindaphindeke ngomphakamo.
- Icebiso: Sebenzisa izixhobo zokuzoba okanye iinkqubo zoyilo ezincediswa yikhompyutha ukujonga iprism nokuqinisekisa ukuba onke amacala esiseko sepolygon ayaqwalaselwa.
12. Ukubalwa komjikelezo weprism yepentagonal engaqhelekanga
Ukubala umjikelezo weprism ye-pentagonal engaqhelekanga, kufuneka sithathele ingqalelo imilo kunye nemilinganiselo yobuso bayo. I-pentagonal prism engaqhelekanga yenziwa ziziseko ezimbini ezinepentagonal kunye nobuso obuhlanu becala obuxande. Iperimeter ibhekisa kwisimbuku sobude bawo onke amacala eprism.
Isinyathelo sokuqala sokubala i-perimeter kukuchonga imilinganiselo yamacala eziseko kunye nobuso obusecaleni beprism. Usebenzisa irula okanye isixhobo sokulinganisa, yenza umlinganiselo wobude becala ngalinye uze ubhale phantsi ukuze wenze izibalo zamva zibe lula.
Emva koko, yongeza yonke imilinganiselo yamacala eziseko kwaye wande ngamabini, kuba kukho iziseko ezibini kwiprism. Okulandelayo, yongeza yonke imilinganiselo yamacala obuso obusecaleni kwaye uphindaphinde kahlanu, kuba kukho ubuso obuhlanu obusecaleni kwiprism. Okokugqibela, yongeza iziphumo zozibini ukufumana iperimeter iyonke yeprism yepentagonal engaqhelekanga.
13. Uthelekiso lokubalwa komjikelezo weprism yepentagonal kunye nezinye iipolyhedra.
Ukubala umjikelezo weprism ye-pentagonal kunokuba ngumngeni, kodwa ngamanyathelo afanelekileyo, isisombululo esichanekileyo sinokufumaneka. Ngezantsi uluhlu oluqhelekileyo lokugqamisa ukungafani kunye nokufana kwiinkqubo.
- I-Pentagonal prism: Umjikelezo weprism ye-pentagonal ingabalwa ngokudibanisa zonke ubude becala lesiseko se-pentagonal kunye nokuphinda-phinda iziphumo ezimbini (kuba kukho iziseko ezibini). Ukuba siyazi ubude becala elinye lesiseko (a), i-perimeter ye-pentagonal prism yi-P = 2 * 5a = 10a.
- Iprism yoxande: Ngokuchaseneyo neprism ye-pentagonal, i-prism yoxande inesiseko soxande. Ukubala umjikelezo wayo, songeza nje bonke ubude bamacala esiseko kwaye siphindaphinde kabini. Ngokomzekelo, ukuba amacala esiseko anobude a kunye no-b, i-perimeter ye-prism ye-rectangular yi-P = 2a + 2b.
- Iphiramidi engunxantathu: Iphiramidi engunxantathu inesiseko esinonxantathu omnye. Ukubala umjikelezo wayo, songeza nje zonke ubude bamacala esiseko. Ukuba amacala esiseko anobude a, b kunye no-c, i-perimeter yephiramidi engunxantathu nguP = a + b + c.
Njengoko ubona, ukubalwa komjikelezo kuyahluka ngokuxhomekeke kuhlobo lwe-polyhedron. Kwimeko yeprism ye-pentagonal, kuyimfuneko ukwazi ubude becala elinye lesiseko kwaye uphindaphinde ngeshumi. Ngakolunye uhlangothi, zombini i-prism yoxande kunye nephiramidi engunxantathu ifuna kuphela ukongeza ubude bamacala esiseko. Kubalulekile ukuba kuthathelwe ingqalelo ezi yantlukwano xa kubalwa iiperimitha zepolyhedra ezahlukeneyo, kuba nganye inendlela yayo yokubala.
Ukuqukumbela, igxininisa iinkcukacha zomfanekiso ngamnye wejometri. Iprism yepentagonal ifuna ukuphindaphinda ubude becala elinye lesiseko ngeshumi, ngelixa iprism exande kunye nephiramidi engunxantathu yongeza nje ubude bamacala esiseko. Ukuqonda lo mahluko kubalulekile ukwenza izibalo ezichanekileyo kunye nokufumana iziphumo ezithembekileyo kwintsimi yejometri.
14. Izigqibo kunye nesishwankathelo sendlela yokubala umjikelezo weprism yepentagonal.
Ukuqukumbela, indlela yokubala iperimeter yeprism yepentagonal ilula kwaye iyasebenza. Ngokulandela la manyathelo achazwe ngezantsi, uya kuba nakho ukufumana iperimeter yayo nayiphi na iprism yepentagonal ngokuchanekileyo nangokufanelekileyo:
- Chonga bonke ubuso beprism yepentagonal, uqinisekise ukuba ubandakanya zombini iziseko kunye nobuso obusecaleni. Oku kuya kukunika umbono opheleleyo wazo zonke iziphelo zeprism.
- Ukulinganisa ubude bomphetho ngamnye weprism yepentagonal, usebenzisa irula okanye umlinganiselo weteyiphu. Kubalulekile ukuchaneka kule milinganiselo ukuze ufumane umphumo ochanekileyo.
- Yongeza bonke ubude bemiphetho efunyenwe kwisinyathelo sangaphambili. Oku kuya kuba yiperimeter yeprism ye-pentagonal, echazwe kwiyunithi efanayo yokulinganisa isetyenziswe kwimilinganiselo yemida.
Khumbula ukuba i-pentagonal prism yi-polyhedron enamacala amahlanu, enesiseko se-pentagonal kunye nobuso obuhlanu obumacala obuxande. Ukubala i-perimeter kubalulekile ukugqiba ubungakanani bezinto eziyimfuneko zokugubungela yonke imida ye-prism, ngoko ke kubalulekile ukulawula le ndlela.
Siyathemba ukuba esi sishwankathelo kunye nendlela ibe luncedo kuwe. Ukuqonda okungcono, sincoma ukuziqhelanisa nemizekelo kunye nokusebenzisa izixhobo ezifana ne-spreadsheet okanye i-calculator ukukhawulezisa inkqubo. Ngokufunda le ndlela, uya kukwazi ukusombulula iingxaki ezinxulumene nokubala umjikelezo weprism yepentagonal. ngokufanelekileyo nangokuchaneka okukhulu.
Ukuqukumbela, ukubala umjikelezo weprism yepentagonal kubandakanya ukulandela amanyathelo athile achanekileyo kunye nokusebenzisa iifomyula ezifanelekileyo. Ngokuchongwa kwe imilinganiselo eyahlukeneyo kunye nokumisela ubude bamacala epolygon esisiseko, umjikelezo opheleleyo weprism unokufumaneka. Kubalulekile ukukhumbula ukuba iprism yepentagonal inamacala amahlanu kwisiseko sayo, ngoko ke ukuqwalaselwa kolu phawu kubalulekile kwinkqubo yokubala. Ngokufunda le ngcamango, uya kukwazi ukuyisebenzisa kwiimeko eziphathekayo kwaye uyisebenzise kwiingxaki ezahlukeneyo zejometri. Siyathemba ukuba le ngcaciso yobugcisa icacile kwaye iluncedo kuwe xa kuziwa ekufumaneni umjikelezo weprism ye-pentagonal. Qhubeka ujonge umhlaba onomdla wejometri!
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