Yadda za a sami wani lissafi square siffofi

Akwai wani iyaka yawan jirgin Figures na daban-daban siffofi kamar yadda dama da ba daidai ba. The kowa dukiya daga duk guda - kowane daga cikinsu yana da wani yanki. Square siffofi - shi ne girman da jirgin saman shagaltar da wadannan Figures, bayyana, a wasu raka'a. Wannan darajar ne ko da yaushe bayyana ta tabbatacce lambar. A sashi ne na auna ne yanki na square, wanda gefen tsawon shi ne daidai to daya (msl, daya mita ko daya santimita). M yanki na wani siffar za a iya lasafta ta halitta da yawan naúrar murabba'ai a cikin abin da shi ne zuwa kashi a yankin na daya square.

Sauran fassarorin da ra'ayi kamar haka:

1. Square sauki siffofi - scalar m dabi'u gamsarwa yanayi:

- da daidaita guda - daidaita da darajar yankin.

- idan adadi ne zuwa kashi sassa (sauki Figures), ta yanki - Naira Miliyan Xari da murabba'ai data guda.

- wani square da ciwon gefen naúrar, shi ne mai naúrar yankin.

2. Square hadaddun siffar siffofi (polygons) - tabbatacce dabi'u da ciwon da kaddarorin:

- dole daidai polygons - guda dabi'u na yankin.

- idan polygon wasu 'yan polygons da wani yanki daidai da Naira Miliyan Xari da karshe sarari. Wannan mulki riko da gaskiya domin ba overlapping polygons.

Kamar yadda wani ya yarda axiom sanarwa cewa, suranta da area (polygons) - tabbatacce dabi'u.

Kayyade fannin da'irar aka bai dabam da yawa nemi da yankin na yau da kullum polygon rubũtacce a cikin da'irar na da'irori - duk da cewa da yawan sãsanninta o ƙarin tabbatar da rashin iyaka.

Square guda na sababbu siffar (sabani siffofi) da babu definition kawai ƙaddara da su hanyoyin da lissãfi.

Lissafi na yankin a zamanin da ya kasance wani muhimmin m matsala a kayyade size na ƙasar. Dokokin kirga fannin 'yan shekara ɗari BC, an tsara da Girkanci da masana kimiyya da aka bayyana a cikin "Abubuwa" na Euclid kamar yadda theorems. Abin sha'awa, da dokoki domin kayyade yankunan sauki siffofi a su - kamar a halin yanzu. Murabba'ai lissafi siffofi da ciwon mai lankwasa kwane-kwane, lasafta ta yin amfani da iyaka.

A lissafi na yankunan da sauki siffofi (alwatika, murabba'i mai dari, square), saba wa duk daga makaranta, kawai isa. Optionally dauke da ko da haddace harafi zane-zane da dabara Figures yankunan. Isar da shi a tuna 'yan sauki sharudda:

1. Don lissafi da yankin na square, shi wajibi ne don ninka da dogon gefen a kanta (ko don gina a karo na biyu digiri).

2. A fannin wani murabba'i mai dari da aka lasafta ta halitta da tsawon da nisa. Wajibi ne cewa tsawon da nisa da aka bayyana a cikin wannan raka'a.

3. A fannin wani hadadden adadi da aka lasafta ta rarraba shi a cikin da dama da sauki kuma ƙara da sakamakon yankin.

4. The size of wani murabba'i mai dari raba shi cikin biyu triangles wanda yankunan su ne daidai da daidai suke da rabin ta yanki.

5. A fannin alwatika da aka lasafta a matsayin rabin da samfurin na da tsawo, kuma a tushe.

6. A fannin da'ira ne daidaita da samfurin na square na radius a duk wasu yawan «π».

7. lissafi da yankin na parallelogram matsayin samfurin na m bangarorin da ba tare da na kwana kwance tsakanin su.

8. Area na wani rhombus - ½ da sakamakon halitta da ba tare da na diagonals na ciki kwana.

9. The yankin na trapezoid sami halitta rufinta a kan centerline tsawon wanda yake daidai da ilmin lissafi nufin na sansanonin. Wani embodiment na definition yankin na trapezoid - ninka da matrix diagonal da sinus kwana kwance tsakanin su.

Yara a yan makaranta, domin tsabta, sukan bai ayyuka: don nemo yankin kõma a kan takarda siffofi amfani pallets ko takardar da m takarda na kẽwayesu a kan Kwayoyin. Irin wannan takarda ne superimposed a kan daukar siffar yana dauke da yawan total sel (raka'a yanki), ajiye ta a cikin madauki, sa'an nan yawan bai cika ba, wanda aka raba a cikin rabin.