A cikin wannan ɗaba'ar, za mu yi la'akari da ma'anar, manyan abubuwa da nau'o'in daya daga cikin mafi yawan siffofi a sararin samaniya - mazugi. Bayanin da aka gabatar yana tare da zane-zane masu dacewa don kyakkyawar fahimta.
Ma'anar mazugi
Na gaba, za mu yi la'akari da mafi yawan nau'in mazugi - madauwari madaidaiciya. An jera wasu bambance-bambancen adadi a cikin sashin ƙarshe na ɗaba'ar.
Saboda haka, madaidaiciya madauwari mazugi - Wannan siffa ce ta geometric mai girma uku da aka samu ta hanyar jujjuya triangle dama a kusa da ɗayan ƙafafunsa, wanda a cikin wannan yanayin zai zama axis na adadi. Dangane da wannan, wani lokacin ana kiran irin wannan mazugi mazugi na juyin juya hali.
Ana samun mazugi a cikin adadi na sama a sakamakon jujjuyawar triangle dama CDA (ko BCD) a kusa da kafa CD.
Babban abubuwa na mazugi
- R shine radius na da'irar wato tushe mazugi. Tsakiyar da'irar maki ce D, diamita - sashi AB.
- h (CD) - tsayin mazugi, wanda shine duka axis na adadi da ƙafar madaidaicin madaidaicin CDA or BCD.
- Point C – saman mazugi.
- l (CA, CB, CL и CM) su ne janareta na mazugi; waɗannan sassa ne masu haɗa saman mazugi tare da maki akan kewayen gindinsa.
- Sashin axial na mazugi shine triangle isosceles ABC, wanda ke samuwa a sakamakon mahadar mazugi ta hanyar jirgin sama da ke wucewa ta hanyarsa.
- Mazugi surface - ya ƙunshi samansa na gefe da tushe. Formules don ƙididdigewa , kazalika da mazugi mai madauwari dama an gabatar da su a cikin wallafe-wallafe daban-daban.
Akwai dangantaka tsakanin generatrix na mazugi, tsayinsa da radius na tushe (bisa ga):
l2 =h2 + R2
Ana duba mazugi - gefen gefen mazugi, an tura shi cikin jirgin sama; sashen madauwari ne.
- yayi daidai da kewayen gindin mazugi (watau 2 πR);
- α - kusurwa (ko tsakiyar kusurwa);
- l shine sashin radius.
lura: Mun yi bitar manyan su a cikin wani littafin dabam.
Nau'in mazugi
- madaidaiciya mazugi - yana da tushe mai ma'ana. Hasashen saman wannan adadi a kan jirgin tushe ya yi daidai da tsakiyar wannan tushe.
- Oblique (mazugi) mazugi - tsinkayar tsinkaya na saman adadi a kan tushe bai dace da tsakiyar wannan tushe ba.
- (launi mai launi) - ɓangaren mazugi wanda ya rage tsakanin tushe da yanke jirgin sama daidai da tushen da aka ba.
- madauwari mazugi Tushen adadi shine da'irar. Akwai kuma: elliptical, parabolic da hyperbolic cones.
- mazugi daidaici - mazugi madaidaiciya, wanda generatrix wanda yake daidai da diamita na tushe.
