Digiri (kwana)
A cikin lissafi, digiri hanya ce ta gama gari don auna kan kusurwa ko kwana . An rubuta shi da alamar , ku [1] yayi daidai da dukan da'irar.
digiri | |
---|---|
unit of plane angle (en) , non-SI unit mentioned in and accepted with the SI (en) da UCUM derived unit (en) | |
Bayanai | |
Unit symbol (en) | ° |
Auna yawan jiki | angular measure (en) |
Notation (en) | ° |
Subdivision of this unit (en) | arcminute (en) |
Ba naúrar SI ba ce. SI yana amfani da radian don auna kusurwar jirgin sama . Koyaya, bisa ga kasidar SI, raka'a ce ta SI.
Tarihi
gyara sasheBa a san ainihin dalilin zabar digiri a matsayin hanyar auna kusurwar jirgin sama ba. Wata ka’ida ta ce tana da alaƙa da cewa shekara tana kusan kwanaki 360. Wasu tsoffin kalanda s, misali kalandar Farisa da kalandar Babila sun yi amfani da kwanaki 360 na shekara guda.
Wata ka'idar ta ce Babila sun raba da'irar ta amfani da kusurwar alwatika mai ma'ana . Daga nan aka raba kusurwa zuwa sassa 60. Wannan saboda sun yi amfani da tsarin lamba -60 na sexagesimal ko tushe-60.
Shafukan da ke da alaƙa
gyara sashe- Digiri na polynomial