KumiswaIsayensi

Indlela ukuthola bobunjwa square weJiyomethri

Kukhona i isibalo esingapheliyo indiza izibalo ezakheke ehlukahlukene njengoba okulungile nokungalungile. impahla elivamile laso sonke izingcezu - ngamunye wabo endaweni. Umumo Square - silingana indiza elalihlala lezi zibalo, uzwakalise amayunithi ezithile. Lokhu value njalo esashiwo inombolo efanele. Yokukala iyona ndawo kwesikwele, ngakubani obuphelele ilingana komunye (isib imitha elilodwa noma omunye isentimitha). endaweni lesilinganisiwe yanoma iluphi ingabalwa ngokuvele azalane inani iyunithi izikwele kulo ihlukaniswe endaweni eyodwa sikwele.

Okunye izincazelo umqondo ngendlela elandelayo:

1. Square izimo ezilula - scalar kweqanda izimo ezanelisayo:

- babe izicucu alinganayo - ilingana ukubaluleka kwendawo;

- uma sibalo ihlukaniswe yaba izingxenye (izibalo ezilula), endaweni yayo - isamba sezikwele zezinhlamvu idatha;

- isikwele kokuba uhlangothi iyunithi, kuyinto endaweni unit.

2. Square eziyinkimbinkimbi ukuma umumo (emapholigoni) - kweqanda kokuba sezindawo:

- babe ngemapholigoni alinganayo - nezindinganiso ezifanayo kwendawo;

- uma ipholigoni Uyi nezinye ngemapholigoni ambalwa endaweni ilingana nenani lezinombolo isikhala sokugcina. Lo mthetho kuyiqiniso ngemapholigoni non-ezedlulayo.

Njengoba i-Axiom isitatimende wamukela ololonga endaweni (emapholigoni) - kweqanda.

Icacisa indawo indilinga kunikezwa eceleni nenani ezazifunwa endaweni ethile ipholigoni njalo alotshiwe umbuthano imibuthano - naphezu kweqiniso lokuthi isibalo ezinhlangothini zalo ivame infinity.

izingcezu Square ijamo okungajwayelekile (Umumo ngokungenasizathu) abanalo definition kunqunywa kuphela izindlela zabo sibalo.

Ukubalwa endaweni endulo nenkinga obalulekile esisebenzayo ekunqumeni usayizi komhlaba. Imithetho kuhlaziywa indawo ezimbalwa iminyaka engamakhulu BC, ziye owasungulwa ososayensi isiGreki ezichazwe "Imisuka" of Euclid njengoba theorems. Ngokuthakazelisayo, imithetho sokunquma izindawo izimo ezilula kuzo - kuyafana manje. Izikwele zeJiyomethri kokuba nentaba lwalugobile, ubalwa kusetshenziswa mkhawulo.

Ukubala yezindawo elula umumo (unxantathu, isikwele, sikwele), ezijwayele zonke esikoleni, ngokwanele nje. Ngokukhethekile equkethe ngisho ngekhanda incwadi namagama ifomula izibalo ezindaweni. Engingakusho nje ukukhumbula izimiso ezimbalwa ezilula:

1. Ukuze ukubala indawo square, kubalulekile ukuba azale ande ohlangothini olude ngokwayo (noma ukwakha besigaba sesibili).

2. indawo isikwele ibalwa ngokuvele azalane ubude by ububanzi. Kuyadingeka ukuthi ubude nobubanzi ayebizwe e amayunithi efanayo.

3. kwendawo sibalo eziyinkimbinkimbi ibalwa ngokuyihlukanisa elula eziningana bese wengeza endaweni okuholela.

4. Usayizi isikwele uhlukanisa kube onxantathu whose izindawo bayalingana futhi ayalingana kwesigamu endaweni yayo.

5. Le ndawo unxantathu esibaliwe isigamu umkhiqizo yokuphakama kwawo futhi isisekelo.

6. indawo indilinga ilingana umkhiqizo esigcawini engaba nhlobo inani elithile «π».

7. ukubala indawo parallelogram njengoba umkhiqizo izinhlangothi ezisondele kanye sine ye-engeli elele phakathi kwazo.

8. Area of a glossy - ½ umphumela wokuphindaphinda sine ye-diagonals ye-engeli yangaphakathi.

9. indawo trapezoid thola siphindaphindeka ukuphakama kwalo phezu obuphelele centerline okuyinto ilingana kusho izibalo izisekelo. Enye samuntu yencazelo indawo trapezoid - nande matrix idayagonali futhi itheku engela elele phakathi kwazo.

Izingane esikoleni esiphansi, ukuzwakala, avame ukunikwa imisebenzi: ukuthola indawo idwetshwa Umumo iphepha usebenzisa Pallets noma ephepheni esobala Umncele amaseli. iphepha okunjalo is esikhulu ukuma elinganisiwe kubhekwa inani lamaseli Imininingwane (amayunithi endaweni), uyibeka kumjikelezo ke inani akuphelele, okuyinto uhlukaniswa uba nengxenye.

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