GuzobereSayensị

Echiche nke a triangle. Njirimara nke ihe isosceles triangle

Jiometrị - nnọọ ụtọ sayensị. Ọ bụghị nanị na -amalite ezi uche eche echiche, ma na-enyere aka mma anya na ebe nchekwa. Nke a bụ otu n'ime ihe ndị bụ isi na sayensị, nke a na-akụzi n'ụlọ akwụkwọ ndị ọzọ agụmakwụkwọ njikọ. Njirimara nke geometric ọgụgụ e nyere ya pụrụ iche. Tụlee Njirimara nke ihe isosceles triangle na ya echiche.

A na-akpọ triangle nke atọ ihe, ejikọrọ edoghi na-adịghị ata ata na a ogologo akara. Ọ nwere atọ n'akụkụ. Abụọ n'ime ha na-akpọ mpụta n'akụkụ, na nke atọ - isi.

Nke a geometric udi bụ dị iche iche. Ọ bụrụ na ndị triangle nwere niile akụkụ nnukwu, ọ na-akpọ nnukwu-angled.

N'ihe ebe onye nke dị akụkụ obtuse triangle a na-akpọ obtuse.

Ọ bụrụ na otu n'ime akụkụ nke geometric shapes bụ 90 Celsius, ie a ogologo akara, mgbe ahụ triangle a na-akpọ akụkụ anọ. Na nke ọ bụla, na nchikota nke ya atọ akụkụ bụ 180 Celsius.

Na a nri triangle , n'akụkụ nke dabeere na-abụghị nri n'akuku a na-akpọ hypotenuse. Ndị fọdụrụ abụọ n'akụkụ na-akpọ ụkwụ.

N'ihi ihe ndị a, e nwere Njirimara na ndị pụta ụwa a ọnụ ọgụgụ. Ka ihe atụ, ọ bụrụ na ndị ọcha nke triangle (n'akụkụ na akụkụ) na-hà otu ihe nke ọzọ triangle, mgbe ahụ, ndị a geometric shapes bụ otu. Nkwupụta a bụ a Theorem nwere àmà.

Banyere Njirimara nke a na ọnụ ọgụgụ a ọzọ Theorem na-ekwu na ọ bụrụ na abụọ ọ bụla n'akụkụ nke a triangle na n'akuku dị n'etiti ha, bụ ndị a na ihe nke ọzọ triangle, mgbe ahụ, ọnụ ọgụgụ ha na-hà. Otu okwu ahụ ka o mere mgbe ndị triangle hà n'akụkụ na abụọ na nkuku nke bụ n'akụkụ ya. Ọzọ Theorem na-ekwu na ọ bụrụ na a triangle bụ hà niile ọzọ, ndị a na ọnụ ọgụgụ karị, na-hà.

E nwekwara echiche nke ihe isosceles triangle. Nke a bụ a triangle na nke abụọ n'akụkụ na-hà. Abụọ n'akụkụ ndị nwere otu n'ogologo, kwuru na dị ka hooks. The atọ n'akụkụ nke triangle bụ isi.

Tụlee Njirimara nke ihe isosceles triangle. Ọ bụla nke na-adọrọ mmasị si vertices nke triangle n'etiti ndị na-abụghị akụkụ a na-akpọ etiti.

Midia na isosceles triangle nwere ya e ji mara. Na nke a, na etiti nke isi ẹkenịmde elu nakwa bisector. Were ihe atụ nke ihe isosceles triangle ABC. Ọ Akụkụ AB - a n'ala. Si n'elu na ala nke C rụrụ etiti CD. A triangle hà. Nke a ndị a si AC na BC nke ịha nhata nke ogwe aka, dị ka ndị triangle bụ isosceles. The akụkụ ke ukot na-hà, oputara na Njirimara nke ihe isosceles triangle na ịha nhata nke akụkụ ke ukot. Nnọkọ Oriri na Ọṅụṅụ isi nwetara triangles nwekwara hà, ebe ọ bụ na etiti kewara isi triangle ABC abụọ hà akụkụ.

Site na nke a, ọ pụtara na niile nkuku nke triangles hà, otú ahụkwa ka bụ etiti bisector kemgbe abahade na ọkara n'akuku. Bisector - a ray sii a n'akụkụ nke triangle ndị na-abụghị akụkụ, na-ekewa na n'akuku abụọ hà akụkụ. The akụkụ nke na-guzobere ke ukot nke etiti na-hà na-90 Celsius. Na nke a, na etiti - bụ elu nke ihe equilateral triangle. Elu - bụ perpendicular ama esịn si n'akụkụ ndị na-abụghị n'akụkụ nke triangle. Nke a na-egosi na Theorem.

Ọbụna site na otu ihe onwunwe na-abụ isosceles triangle na na akụkụ ke ukot nke ọnụ ọgụgụ na-hà.

N'ihi ya, anyị gaara egosi abụọ isi atụmatụ nke triangle na nke abụọ n'akụkụ na-hà.

Gosi na Njirimara nke ihe isosceles triangle bụ nnọọ mfe. Ndị isi ihe - na-egosi ndidi na iji ezi uche eche echiche dabeere na ẹdude ihe ọmụma a na mpaghara.

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