waa maxay sadex xagal
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Saddex-xagal waa qaab xiran, laba-cabbir ah oo leh saddex dhinac oo toosan iyo saddex xagal. Waa mid ka mid ah qaababka aasaasiga ah ee joomatari waxaana loo isticmaalaa xisaab iyo xisaabaadyo kala duwan oo kala duwan.
Saddex-xagalka, saddexda dhinac waxay noqon karaan kuwo dhererkoodu kala duwan yahay, ama waxay noqon karaan kuwo siman dhererka, taas oo ka dhigaysa saddex-xagalka saddex xagal siman. Xaglaha saddexagalka sidoo kale way kala duwan yihiin iyadoo ku xiran dhererka dhinacyadiisa. Wadarta xaglaha gudaha ee saddexagalka mar walba waxay la mid tahay 180 darajo.
Saddex xagalka waxaa si weyn loogu isticmaalaa xisaabta, sayniska, iyo injineernimada, waxayna leeyihiin codsiyo badan oo adduunka dhabta ah. Waxaa loo adeegsadaa qaab-dhismeedka si loo naqshadeeyo qaab-dhismeedyo deggan oo qurux badan, iyo marka hagidda si loo xisaabiyo masaafada u dhexeysa laba dhibcood. Saddexagalka sidoo kale waxaa loo isticmaalaa trigonometry si loo xisaabiyo xiriirka ka dhexeeya xaglaha iyo dhinacyada saddexagalka midig, kaas oo leh hal xagal 90-degree ah.
Guud ahaan, saddexagalku waa qaab lagama maarmaan ah oo aasaasi ah joomatari, oo leh codsiyo badan oo la taaban karo iyo aragtiyo.
seddax xagal was shaxan oodan oo leh sedaxx dhinac iyo sedax xaglood