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 | Protractor kayan aiki ne da ake amfani da shi don auna kusurwa. |
| Wataƙila kun yi amfani da su a cikin aji na lissafi. |
| Ana auna kusurwa a cikin digiri. A cikin cikakken da'irar 360 digiri. |
| Yawancin protractors suna da siffar madauwari mai madauwari da aka yi da filastik… |
| ... da kuma iya auna har zuwa 180 digiri. |
| Duk da haka, yana yiwuwa a saya protractors wanda ya auna har zuwa cikakken digiri 360. |
| A cikin tasowa, Ana iya samun masu ba da izini a matsayin ɓangare na kayan aiki da yawa, gami da: |
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| - Protractors da zurfin ma'auni
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| - Dijital protractors (da goniometers)
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