Manufar mawallafi. Abubuwan da ake amfani da shi a haɗin triangle

Abubuwan da ake amfani da su a hankali shi ne kimiyya mai ban sha'awa. Yana ba kawai tasowa ma'ana tunani, amma kuma taimaka inganta da hankali da kuma ƙwaƙwalwar. Wannan yana daga cikin ilimin kimiyyar da ake nazari a makarantu da sauran makarantun ilimi. Ana ba da kimar kayan lissafi na musamman a ciki. Ka yi la'akari da dukiyar da aka samo daga triangle da isassceles da tunaninta.

Abubuwan uku suna kiransa triangle, wanda aka haɗa da sassan kuma ba a kwance a kan madaidaicin layi ba. Yana da uku tarnaƙi. Biyu daga cikinsu suna kiransa tarnaƙi, kuma na uku ana kiransa tushe.

Wannan nau'i mai siffar ta bambanta. Idan triangle yana da kowane kusurwoyi mai ma'ana, to, ana kira shi mai suna angled-angled.

A cikin akwati inda daya daga cikin samuwa kusassari obtuse alwatika ake kira obtuse.

Idan ɗaya daga cikin kusassin wannan siffar geometric shine 90 °, wato, layi madaidaiciya, to, an kira maƙallin mai suna angular. A kowane hali, adadin kowane kusurwoyi na uku shi ne 180 °.

A wani dama alwatika , gefe wanda ya ta'allaka ne daura da dama kwana da ake kira hypotenuse. Ana kiran sauran bangarorin biyu kafafu.

Dangane da waɗannan fasalulluka, akwai alamun da ke cikin wannan adadi. Alal misali, idan abubuwa na alwatika (tarnaƙi, kuma malã'iku) ne daidai da wannan abubuwa na wani alwatika, to, wadannan lissafi siffofi ne guda. Wannan furtaccen tsari ne wanda ke da hujja.

Wata sanarwa game da kaddarorin wannan adadi ya ce idan bangarori guda biyu na mahaɗin triangle da kusurwa tsakanin su suna daidaita da waɗannan abubuwa na wani triangle, to, adadin su kansu daidai yake. Hakanan bayanin ya shafi shari'ar a lokacin da ginshiƙai suna da gefe biyu da sassan biyu wanda ke kusa da ita. Wata sanarwa ta ce idan dukkan bangarori suna daidai a cikin kwakwalwan, to, wadannan siffofin, daidai suke, kuma daidai ne.

Har ila yau, akwai ra'ayi na triangle isosceles. Wannan matsala ne da bangarorin biyu daidai. Yankuna biyu, suna da daidai daidai, ana kiransu a gefe. Kashi na uku shine tushe na triangle.

Ka yi la'akari da kaddarorin wani tarkon mai sutura. Duk wani ɓangaren da aka samo daga gangaren kwakwalwa zuwa tsakiyar kishiyar gefen an kira shi tsakiyar.

Bambanci a cikin ɓangaren samfurin isosceles yana da halaye na kansa. A wannan yanayin, maɓallin tsakiya zuwa tushe kuma mai tsawo ne da bisectrix. A kai, alal misali, triangle ABC. A ciki, gefen AB shine tushe. Daga layinin C zuwa tushe, an ɗaga tsakiyar tsakiyar CD ɗin. Sakamakon kwakwalwan suna daidai. Wannan ya biyo baya daga daidaitattun bangarori AC da BC, tun da triangle yake isosceles. Harsuna a tushe daidai ne, wanda ya fito daga dukiya ta triangle isosceles game da daidaito na kusurwa a tushe. Gangarorin da suke da tushe daga magungunan sakamakon su ma sun kasance daidai, tun lokacin da rabi ya raba tushen tushe ABC zuwa kashi biyu daidai.

Daga wannan ya bi cewa duk kusurran magunguna daidai ne, don haka tsakiyar tsakiya ma bisectrix ne, tun da yake ya raba kwana a rabi. Mai kwakwalwa shine ragu wanda aka samo daga kusurwar tabarba zuwa gefe guda kuma ya raba kwana a kashi biyu daidai. Harsunan da ke samar da tsakiya a tushe kuma daidai ne kuma 90 °. A wannan yanayin, maɓallin tsakiya shine tsayi a cikin adadi mai kwakwalwa. Hawan dutse mai tsalle ne daga cikin kusurwa zuwa kishiyar gefen triangle. An tabbatar da ka'idar.

Wani abu na kayan magungunan kwance yana nuna cewa kusurwa a gindin wannan adadi daidai ne.

Sabili da haka, mun tabbatar da manyan siffofi guda biyu na alamar tauraron da bangarori biyu suke daidai.

Abu ne mai sauƙi don tabbatar da dukiyar da aka samo asali. Abu mafi muhimmanci shi ne tabbatar da hakuri da yin amfani da tunani mai mahimmanci bisa ga ilimin da ake samu a wannan yanki.