Don haka mai sauƙi, ba za ku buƙaci komai ba!
Ɗaya daga cikin kwarewa mafi tsufa a littafin littattafai na itace, don yin magana, hanya ce mai sauƙi don ƙayyade lokacin da kowane taro ko abu ya kasance square. Wannan fasali na ainihi ba abin zamba ba ne; yana dogara ne da Theorem na Pythagorean, wanda ya ce "yawancin murabba'i na bangarorin biyu na matattun dama yana daidai da filin na gefe na uku, ko hypotenuse."
A wasu kalmomi, idan kuna son ƙayyade idan majalisa ta yi amfani da math, zaɓi fuskar da kake son dubawa.
Bincika ɗaya kusurwar taron tare da haɗin zane ko haɗin hade don tabbatar da cewa yana da kusurwar dama. Sa'an nan, ta yin amfani da ma'auni na ma'auni, auna tare da gefen ɗaya daga wannan kusurwar dama don samun tsawon, da kuma yin amfani da maƙirata, ninka tsawon lokacin ƙimar da kanta (ko ƙaddara tsawon adadin). Ajiye tsawon wannan tsawon cikin ƙwaƙwalwar ƙwaƙwalwa. Na gaba, auna ɗaya daga gefuna kusa da gefen da kuka ƙaddara a baya don samun fadin taron. Yi daidai wannan aikin, ninka wannan lokacin darajar kanta (ko ƙaddamar da darajar), sa'an nan kuma ƙara shi zuwa ainihin asalin ƙwaƙwalwar ajiyar kalma. Yanzu kana da rabin rabi na cikakke.
Don samun darajar na uku, auna diagonally (wanda ba a san shi ba) daga ƙarshen ƙarshen gefe zuwa ga ƙarshen ƙarshen nisa. Wannan zai samar da abin da ake kira hypotenuse. Haɓaka lokacin da ake jinginar da kai tsaye kuma idan wannan darajar ta dace da nauyin bangarori biyu (a wasu kalmomi, darajar da kuka ajiye a cikin ƙwaƙwalwar ajiya, taronku yana da murabba'i.
A 3-4-5 Dokar
Wannan wani lokaci ake magana a kai a cikin woodworking kamar yadda 3-4-5 mulki. Duk da yake zaka iya amfani da 3-4-5 Dokar don ƙayyade square a kan kowane sikelin lokacin da kake tsara wani aiki, akwai hanya mafi daidai (da sauri) don sanin ko ka kusan gama taron ne square.
- Sanya zane-zane tare da ma'auni na tebur kuma duba don ganin idan jiragen biyu sun daidaita. Idan sun kasance daidai, taron ku ne square.
Hanya a cikin batu: duba zanen zane mai ofisoshin waje. Idan muka auna daga kusurwar kusurwa zuwa kusurwa kusurwa (kamar yadda aka nuna ta launi na launi), sannan kuma kwatanta wannan nisa zuwa ƙananan sakon diagonal (kamar yadda aka nuna ta launi mai launi), kusanci biyu ya dace daidai. Idan sun kasance daidai, taron shine faɗin.
To, me kake yi idan ma'aunin diagonal biyu ba su daidaita ba? Shirya taron. A cikin hoton da ke sama, idan tsawon layin layin ya fi tsawon layin launi, turawa a ciki a kan kusurwa biyu. Idan tsawon layin layin ya fi tsayi, sai ku shiga cikin kusurwa biyu na taron a iyakar layin blue. Bayan daidaitawa, giciye-auna dukkanin zane-zane don sake duba square. Ci gaba da daidaitawa da ƙidayar zane-zane biyu har zuwa nesa, kuma taron naka zai zama square.