Mefuta e 7 ea Boraro-bo-bong: Kemiso ho latela mahlakore a eona le likhutlo
![How to draw a realistic eye easy step by step (you can learn from scratch, beginner)](https://i.ytimg.com/vi/X7uUNWhnV-g/hqdefault.jpg)
Litaba
- Sebopeho sa jiometri se ka aroloang ho latela litšobotsi tse fapaneng.
- Ts'ebeliso ea likhutlo-tharo
- Triangle ke eng
- Mokhoa oa ho fumana pherimitha le sebaka sa likhutlo-tharo
- Likhoeli tse tharo li arotsoe joang
- Likhutlo tse tharo ho latela bolelele ba mahlakore a tsona
- 1. Triangle e lekanang
- 2. Scalene triangle
- 3. Isosceles kgutlotharo
- Likhutlo tse tharo ho ea ka maqhubu a tsona
- 4. Triangle e nepahetseng
- 5. kgutlotharo e sephiri
- 6. Triangle e bohloko
- 7. Triangle e lekanang
- qetello
Sebopeho sa jiometri se ka aroloang ho latela litšobotsi tse fapaneng.
Nakong ea bongoana ba rona, kaofela re ile ra tlameha ho ea litlelaseng tsa lipalo sekolong, moo re ileng ra tlameha ho ithuta mefuta e fapaneng ea likhutlo-tharo. Leha ho le joalo, ha lilemo li ntse li feta, re ka lebala tse ling tsa lintho tseo re ithutileng tsona. Bakeng sa batho ba bang lipalo ke lefatše le khahlisang, empa ba bang ba natefeloa ke lefatše la litlhaku.
Sehloohong sena re tla hlahloba mefuta e fapaneng ea likhutlo-tharo, kahoo ho ka ba molemo ho khatholla likhopolo tse ithutiloeng nakong e fetileng kapa ho ithuta lintho tse ncha tse neng li sa tsejoe.
Ts'ebeliso ea likhutlo-tharo
Ho lipalo, jiometri ea ithutoa, 'me e kenella lipalo tse fapaneng tsa jiometri joalo ka likhutlo-tharo. Tsebo ena e na le thuso ka mabaka a mangata; mohlala: ho etsa litšoantšo tsa tekheniki kapa ho rala sebaka sa kaho le kaho ea sona.
Ka kutloisiso ena, ho fapana le khutlonne e ka fetoloang parallelogram ha matla a sebelisoa le leng la mahlakore a eona, mahlakore a khutlo-tharo a tsitsitse. Ka lebaka la ho tiea ha libopeho tsa eona, litsebi tsa fisiks li bontšitse hore khutlotharo e khona ho mamella matla a mangata ntle le ho holofala. Ka hona, litsebi tsa meralo ea meralo le lienjiniere li sebelisa likhutlo li tharo ha li haha marokho, marulelo a matlo le meaho e meng. Ha likhutlo-tharo li hahiloe ka likarolo, ho hanela hoa eketseha ka ho fokotsa motsamao oa mahlakore.
Triangle ke eng
Triangle ke polygon, palo e sephara ea jiometri e nang le sebaka empa e se na bophahamo. likhutlo tse tharo li na le mahlakore a mararo, lits'oants'o tse tharo le likhutlo tse tharo tsa kahare, mme kakaretso ea tsona ke 180º
Triangle e entsoe ka:
Ho lipalo tsena, le leng la mahlakore a setšoantšo sena le lula le le tlase ho kakaretso ea mahlakore a mang a mabeli, 'me ka khutlotharo e nang le mahlakore a lekanang, likhutlo tsa eona tse fapaneng le tsona lia lekana.
Mokhoa oa ho fumana pherimitha le sebaka sa likhutlo-tharo
Litekanyo tse peli tseo re ratang ho li tseba ka likhutlo-tharo ke pherimitha le sebaka. Ho bala ea pele, ho hlokahala hore u kenye bolelele ba mahlakore ohle a eona:
P = a + b + c
Sebakeng sena, ho fumana hore na sebaka sa palo ena ke eng, ho sebelisoa moralo o latelang:
A = ½ (bh)
Ka hona, sebaka sa khutlo-tharo ke (b) bolelele ba linako (h) bo arotsoe ka bobeli, 'me boleng bo hlahisoang ke equation bo hlahisoa ka likarolo tse sekwere.
Likhoeli tse tharo li arotsoe joang
Hona le mefuta e fapaneng ea likhutlo-tharo, 'me bona li arotsoe ka ho nahanela bolelele ba mahlakore a tsona le bophara ba likhutlo tsa tsona. Ha ho nahanoa ka mahlakore a eona, ho na le mefuta e meraro: equilateral, isosceles le scalene. Re ipapisitse le likhutlo tsa tsona, re khona ho khetholla likhutlo tse tharo tse nepahetseng, tse koaloang, tse hlobaetsang le tse lekanang.
Re tsoela pele ho li qaqisa ka tlase.
Likhutlo tse tharo ho latela bolelele ba mahlakore a tsona
Ha ho nahanoa ka bolelele ba mahlakore, likhutlo li ka ba tsa mefuta e fapaneng.
1. Triangle e lekanang
Triangle e lekanang e na le mahlakore a mararo a bolelele bo lekanang, e leng ho e etsang hore e be polygon e tloaelehileng. Likhutlo tse tharo tse tharo tse lekanang le tsona lia lekana (60º ka 'ngoe). Sebaka sa mofuta ona oa likhutlo-tharo ke motso oa makhetlo a 3 ka makhetlo a mane bolelele ba lehlakore le lekanang. Pherimitha ke sehlahisoa sa bolelele ba lehlakore le le leng (l) le tharo (P = 3 l)
2. Scalene triangle
Triangle ea scalene e na le mahlakore a mararo a bolelele bo fapaneng, le likhutlo tsa eona le tsona li na le mehato e fapaneng. Pherimitha e lekana le kakaretso ea bolelele ba mahlakore a eona a mararo. Ke hore: P = a + b + c.
3. Isosceles kgutlotharo
Triangle ea isosceles e na le mahlakore a mabeli a lekanang le likhutlo tse peli, 'me tsela ea ho fumana pherimitha ea eona ke: P = 2 l + b.
Likhutlo tse tharo ho ea ka maqhubu a tsona
Likhutlo tse tharo le tsona li ka aroloa ho latela bophara ba likhutlo tsa tsona.
4. Triangle e nepahetseng
Li khetholloa ka ho ba le sekhutlo se nepahetseng sa kahare, se nang le boleng ba 90º. Maoto ke mahlakore a etsang lehlakore lena, ha hypotenuse e tsamaellana le lehlakore le leng. Sebaka sa kgutlotharo ena ke sehlahisoa sa maoto a sona a arotsoeng ka bobeli. Ke hore: A = ½ (bc).
5. kgutlotharo e sephiri
Mofuta ona oa khutlo-tharo o na le angle e kholo ho feta 90 ° empa e le ka tlase ho 180 °, e bitsoang "obtuse", le maqhubu a mabeli a hlobaetsang, a ka tlase ho 90 °.
6. Triangle e bohloko
Mofuta ona oa khutlo-tharo o khetholloa ka likhutlo tse tharo tse ka tlase ho 90 °
7. Triangle e lekanang
Ke khutlo-tharo e lekanang, kaha likhutlo tsa eona tse ka hare li lekana le 60 °.
qetello
Hoo e batlang e le kaofela ha rona re ithutile jiometri sekolong, 'me re tloaelane le likhutlo tse tharo. Empa ha lilemo li ntse li feta, batho ba bangata ba ka lebala hore na litšoaneleho tsa bona li joang le hore na li arotsoe joang. Joalokaha u bone sengoloeng sena, likhutlo li tharo li arotsoe ka mekhoa e fapaneng ho latela bolelele ba mahlakore a tsona le bophara ba likhutlo tsa tsona.
Jiometri ke thuto e ithutoang ka lipalo, empa ha se bana bohle ba thabelang thuto ena. Ebile, ba bang ba na le mathata a tebileng. Lisosa tsa see ke life? Sehloohong sa rona "Mathata a bana ho ithuteng lipalo" rea o hlalosetsa.