Ka yi la'akari da yadda za a yi wani octahedron takarda

Daga cikin dukan data kasance lissafi Figures, wanda ya bayyana a cikin kwanaki na tsufa, daya daga cikin mafi ban sha'awa an dauke su da wani octahedron. Wannan adadi ne daya daga cikin biyar jikinsu, da ake kira Platonic. Yana daidai ne, daidaita da Multi-faceted, kuma shi ma yana da tsarki muhimmanci daga ra'ayi na m lissafi, kamar yadda aka gudanar a zamanin tsohuwar Girka. Yau, da wannan lissafi jiki ana karatu yara a makaranta, kuma domin fahimtar da tsarin fi, za mu ga yadda za a yi wani octahedron na takarda.

shirya kayan

Duk abin da ake bukata a wannan tsari - a biyu daga almakashi, manne, da fensir, mai mulki, da kuma takardar da kanta, wadda za ta samar da tushen ga nan gaba da sana'o'i. An yi imani da cewa zaman kanta samar da wadannan stereometric Figures inganta m tunani, sa ya fi sauƙi a kewaya a sarari. Saboda haka, za ka iya amfani da mu takaice dai tutorial cim a makaranta lissafi skills ko don su miƙa wa yaro sculpt wani abu irin wannan a lokacin da ya lura da matsala tare da ji na lissafi sarari da kuma siffofi.

Zane - aminci mataimakin

Na farko wani zaɓi na yadda za a yi wani octahedron takarda - wannan shi ne ƙãre zane. A cikin labarin da hoto, wanda ya siffanta wani adadi a cikin wannan scan, da dukan abin da ya rage - Wannan buga shi da kuma manne a kan habarta Lines. Sabõda haka, ka hack zai yi da mafi m saituna. Kada ka manta su pre-pasted takarda a kan kwali zuwa octahedron ya fi m da kuma šauki tsawon. Wannan yana da muhimmanci musamman a cikin taron cewa shi ne aka yi nufi ga yaro.

Duk da hannuwansu

Wani embodiment na yadda za a yi wani octahedron na takarda, dangane da sauki dabarbari da kuma Shirin zanen. Wannan lissafi siffar kunshi 8 fuskoki, 6 vertices da kuma 12 gefuna, kowane 4 na wanda converge a daya kokuwa. Idan ka ƙara a cikin wani aure yawan dukan sasanninta na octahedron, da adadin zai zama daidai da 240 digiri. Ya kamata kuma a lura cewa wannan mythical stereofigura yana da wani triangular tushe da kuma shi ne gaba daya tsakaitã, don haka shi ne sau da yawa kira antiprisms.

darussa stereometry

Scan octahedron aka bayyana a kafa gaba daya daidai da juna triangles. Shida daga cikinsu ana shirya a wani guda jere a kan "Diamonds", da kuma sauran biyu a kwasfansu m zuwa tsakiyar biyu Figures daga daban-daban bangarorin. Saboda haka amsar tambaya ta yadda za a yi wani octahedron takarda ba tare da ta layout ne mai sauki. Ka kawai bukatar zabi guda tamanin da baki, da kuma sanya shi a cikin wani tsarin na takwas equilateral triangles. Kada ka manta da su bar kabu alawus a cikin Musulunci line, wanda ka manne nan gaba da sana'o'i.

The m lissafi asirin

Akwai daban-daban iri irin stereofigury. Daga cikin su shi ne daraja ambata cuboctahedron. Share shi ne shida murabba'ai da takwas equilateral triangles da cewa suna tattara a cikin volumetric jiki bisa ga dokoki na fasali. Wannan adadi ne Semi-na yau da kullum, da kuma shi ya kamata a lura, quite matasa. Ta gano ta ne mahaliccin da Leonardo Vinci, kuma aka sa'an nan da ake kira "star-dimbin yawa octahedron". Make shi, za ka iya kuma bisa ga samarwa makirci a cikin labarin.