Mene ne tsakiyar fasali?

A ra'ayi na "tsakiyar fasali" adadi kwakwalwa gaba da wanzuwar wani batu - cibiyar da fasali. A ko dai gefen shi suna located da maki na zuwa wannan adadi. Kowace daga cikinsu yana da wani tsakaitã a halin yanzu.

Ya kamata a ce cewa manufar da cibiyar ba ya wanzu a Euclidean lissafi. A cikin goma sha ɗaya littafin a talatin da takwas da bada shawarwari ne definition na sarari fasali axis. da cibiyar da ra'ayi na farko ya bayyana a cikin 16th karni.

A tsakiyar fasali ba a irin wannan sananne ga duk Figures, kamar da'irar da wani parallelogram. Kuma na farko da na biyu cibiyar da adadi daya. A tsakiyar fasali na parallelogram aka sanya a rarrabawa da Lines kunno kai daga m maki. a cikin da'irar - shi ne cibiyar ta. Don shiryar da halin wani iyaka yawan irin wannan wuraren. Kowane nufi dõmin ta kasance wata cibiyar na fasali. A cikin akwatin akwai wani kai tsaye tara jirage. Na dukan uku tsakaitã jirage perpendicular zuwa gefen. A wasu shida izinin tafiya a cikin diagonal gefuna. Duk da haka, akwai wani adadi da ba shi da daya. Yana da wani sabani alwatika.

A wasu kafofin da Kalmar "tsakiyar fasali" aka bayyana kamar haka: wani lissafi da jiki (adadi) an dauke su tsakaitã tare da girmamawa ga cibiyar C, idan kowane batu na A jiki yana da wani batu E, wanda ya ta'allaka a cikin wannan adadi, don haka da cewa kashi AE, wucewa ta hanyar tare da cibiyar, don yanke shi a cikin rabin. akwai daidai tsawo domin Game da nau'i-nau'i daga maki.

Game da kusassari na biyu halves na adadi, a cikin abin da akwai tsakiyar fasali ne ma daidaita. Biyu Figures kwance a garesu na cibiyar batu, a cikin wannan yanayin, za a iya superimposed a kan juna. Duk da haka, dole ne a ce cewa aikace-aikace ne da za'ayi a wata hanya ta musamman. Ba kamar madubi, a tsakiyar fasali kwakwalwa gaba da juyawa daga wani sashi na adadi daya ɗari da tamanin digiri a kusa da cibiyar. Kamar wancan ne, wani sashi snaps cikin matsayi dangi zuwa na biyu madubi. Biyu daga cikin adadi zai iya haka ne za a hõre ta a juna, outputting daga kowa jirgin sama.

A aljabara izuchenin m, kuma ko da ayyuka da za'ayi amfani da jadawalai. Ga wani ko da aiki jadawali da aka gina symmetrically tare da girmamawa ga tsara da gatura. Domin m - dangane da batu na asali, da cewa shi ne O. haka ne, don m aiki ne muhimmi a tsakiyar fasali, da kuma ga ko - axis.

A tsakiyar fasali ya nuna cewa wani jirgin saman adadi axis of fasali na domin biyu. A wannan yanayin, da axis zai karya perpendicular da jirgin saman.

Quite na kowa tsakiyar fasali a yanayi. za a iya samu daga cikin mafi m misalai na salo da dama a yalwace. Wadannan alamu, ido-gani ne daban-daban na shuke-shuke, mollusks, kwari, da kuma dabbobin da yawa. Wani mutum ya bata sha'awa da kyau na mutum furanni, petals, shi ne abin mamaki da cikakken ginawa saƙar zuma tsari a kan hula na sunflower tsaba, da ganye a kan shuka kara. A tsakiyar fasali a rayuwa shi ne ubiquitous.