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Mene ne wani protractor? Dokokin aunawa kusassari

Kowane makaranta sani cewa a protractor. Wannan alama unsightly kayan aiki ya yi aikin mai da muhimmanci sosai aiki ba kawai a cikin ilmin lissafi darussa. Da cewa shi ya wakiltar, kazalika da yadda za su yadda ya kamata amfani da shi, bayani.

Mene ne wani protractor?

Protractor kira abu, da abin da kowanne daga cikinmu za su iya kawai auna malã'iku, amma kuma ya gina su. Outwardly, yake kama da semicircular line tare da sikelin da graduations. A kasa, a kan wani lebur surface, shi ne saba mana mike m don auna tsawo. A saman - rabin da'irar da wani biyu sikelin for ji. A kowane daga cikin yankunan da protractor sikelin da aka watsa daga 0 zuwa 180 digiri.

Sharuddan amfani

A makaranta, ya bayyana abin da protractor a cikin darussan da na lissafi. A nan ne akwai bukatar a ma'aunai.

Domin a gare mu mu san abin da shi ne wani mataki, kana bukatar wani da'irar kasu kashi 360 daidai sassa. Daya daga cikin wadannan sassa da kuma zai zama daidai da 1 digiri. The girma daga cikin da'irar ba zai tasiri a mataki! Yana da sauki a duba.

Zana biyu da'irori daban-daban na diameters kuma raba kowane 360 daidai sassa. Sa'an nan gabatar da wani karami da'irar a kan babban da ga cewa line up.

mu auna da kwana

Protractor taimaka gina da kuma auna kwana. Digiri - ne na aikin naúrar, wanda aka yi amfani da su domin auna kusassari. Found dama irin kusassari:

  • Sharp. Don haka ya kira kwana na 90 digiri.
  • Direct kwana ne daidai da 90 digiri.
  • Obtuse kwana jeri daga 90 zuwa 180 digiri.
  • Unwrapped kwana ne a mike layin ko 180 digiri.
  • A duka kwana kama wani da'irar da yake 360 digiri.

Abu ne mai sauki mu fahimci yadda za a auna kwana. Domin gano abin da darajar da kwana, muna bukatar mu kafa da protractor sabõda haka, da cibiyar da aka located a koli na kwana, da kuma mike gefe ya zo daidai da daya daga sãsanninta. Scale zai nuna mana da yawan digiri na kwana. Wannan shine sauki hanya za mu iya sani da cewa kusurwa a gaban mu.

Don shirya wani kwana tare da wani ba mataki ya kamata a haɗe kai tsaye zuwa cikin rabo na isar layi da kuma ta tsakiya - farkon line. Daga bisani, wannan batu zai zama kokuwa na kwana. Sa'an nan kuma, a kan sikelin da muke nema a kayyade adadin da kafa batu. Yanzu protractor za a iya kawar da alaka da wani sashi farko line (kokuwa kwana) daga tushe batu.

Makaranta stationery samar da daban-daban kamfanoni bambanta a abu, launi, size. Saboda haka, waɗanda kuma suka juya ga zama fiye da protractor kwana, da kuma shi ne, ba zai yiwu sanin da darajar, shugabanci na kwana ya kamata a mika ta amfani da madaidaiciya line.

sa an makaranta

Ba don kome ba junior matakin dalibai ba su saba da protractor. A aikace ya kamata a kwantar da wani ilmi game da tushe. Don kammala aikin da shi a kan darasi yara koyi da kewayon related batutuwa. Kafin ka gano abin da protractor, dalibai da Master a mike line, zana a mike line, don gano Bugu da kari kuma subtraction, don Master kamfas sani lissafi Figures da sauransu. Wannan duka aiwatar daukan lokaci, kuma kawai sauke karatu daga yan makaranta, wani dalibi zai iya ƙara protractor a cikin kayan aiki kit.

Dalibai suna yanzu miƙa a cikin makaranta stationery babbar selection. Protractor ne ba togiya. Masana'antun na kokarin shirya zuwa mafi wuya abokan ciniki. Tools aka sanya a cikin launi daban-daban. Bright launuka ne ko da yaushe rare tare da yara. Wani lokaci ko da a cikin wannan aji ba zai sami wannan hawa, wanda facilitates da asarar su search. Siffofi da kuma masu girma dabam daya so zuwa ga liking.

Yawancin wadannan kayan da ake saki daga roba, da kuma wannan muhimmanci rage ta kudin. Amma akwai wani itace, har ma da baƙin ƙarfe protractors. Kamar yadda yi nuna, ko opaque karfe, amma m a ji cewa sikelin ba sharewa, kuma shi damar da ya fi tsayi a yi amfani da shi a cikin mataki, tare da wani daidaito na kayyade kusassari.

Protractor ba da'awar da makaranta, a matsayin shugaba, amma shi yana tare da dalibai har karshe jarrabawa. Wasu daga cikin masu digiri zabi wani sana'a, wanda ake dangantawa da ji na kusassari da kuma yi, zane na gine-gine da kuma Tsarin, aiki tare da zane. By darajojin su fasahohin da suke kullum fuskanci protractor Irinta. Amma tsohon takwarorinsu na yau injiniyoyi, wani lokaci tare da babban agaji nuna bambanci, sauƙi tuna da basira da tanadin wannan batu da kuma sanin adadin darajõji daga duk wani kusurwan.

sakamakon

Yau, ta zamani, yara suna amfani da su cire duk wani bayani daga Intanit. Duk da haka, shi ba ya taimaka a ji na kusassari. Shi ne kawai da ikon yin amfani da wani protractor zai ba da damar zuwa daidai gane su. Future injiniyoyi da kuma zanen kaya ne babu shakka da amfani a cikin aikin, da kuma kowane ilimi mutum ya mallaka da basira da aiki tare da transports, don haka ya iya yin amfani da irin wannan kayan aiki da kowa da kowa ya kamata!

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