{"id":531,"date":"2023-10-26T09:42:59","date_gmt":"2023-10-26T09:42:59","guid":{"rendered":"https:\/\/domath.surju.ee\/?page_id=531"},"modified":"2024-10-24T08:00:28","modified_gmt":"2024-10-24T08:00:28","slug":"angle","status":"publish","type":"page","link":"https:\/\/domath.surju.ee\/et\/nurk\/","title":{"rendered":"Nurk"},"content":{"rendered":"

Nurk<\/span><\/strong><\/h1>\r\n

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 <\/p>\r\nNurga<\/b><\/span> moodustavad kaks \u00fchest ja samast punktist v\u00e4ljuvat kiirt<\/strong> koos tasandi osaga<\/strong>, mis j\u00e4\u00e4b nende kiirte vahele<\/strong>.
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\r\n\"\"Joonisel on kujutatud nurk AOB<\/strong>.<\/span> Kiirte alguspunkt O<\/span><\/strong> on nurga tipp. Kiiri OA ja OB<\/strong> nimetatakse haaradeks<\/strong>.<\/span>
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\r\nPunkt O on nurga tipp<\/strong><\/span>, tipust v\u00e4ljuvad haarad OA ja OB.<\/strong>
\r\nNurka t\u00e4histatakse  l\u00fchidalt  \u2220AOB<\/strong> <\/span>v\u00f5i lihtsalt \u2220O.<\/strong><\/span>
\r\nT\u00e4ht, mis t\u00e4histab nurga tippu, kirjutatakse  keskele.
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\r\nNurga t\u00e4histamiseks<\/strong><\/span> kasutatakse  ka kreeka t\u00e4hestiku v\u00e4iket\u00e4hti \u03b1<\/strong><\/span> – alfa, \u03b2<\/strong><\/span> – beeta ja \u03b3<\/strong> <\/span>– gamma.
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\r\nNurkade liigitamine. 
\r\n<\/strong><\/span>
\r\nSirgnurk<\/strong> on nurk, mille haarad moodustavad sirgjoone.
\r\nSirgnurga suurus on 180\u00b0
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\r\nT\u00e4isnurk<\/strong> on pool sirgnurgast.
\r\nT\u00e4isnurga suurus on 90\u00b0.
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\r\nTeravnurk<\/strong> on nurk, mis on t\u00e4isnurgast v\u00e4iksem.
\r\nTeravnurk on v\u00e4iksem kui 90\u00b0.
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\r\nN\u00fcrinurk<\/strong> on nurk, mis on t\u00e4isnurgast suurem, ja sirgnurgast v\u00e4iksem.
\r\nN\u00fcrinurk on suurem kui 90\u00b0 ja v\u00e4iksem kui 180\u00b0.
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 <\/td>\r\n <\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n

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   Teravnurk<\/strong><\/span><\/td>\r\nT\u00e4isnurk <\/strong><\/span><\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n\r\n\r\n\r\n
\"\"<\/td>\r\n\"\"<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n\r\n\r\n\r\n
 N\u00fcrinurk<\/strong><\/span><\/td>\r\nSirgnurk<\/strong><\/span><\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n\r\n\r\n\r\n
\"\"<\/td>\r\n\"\"<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n
\r\n\u00dclesanne:<\/strong> Sisesta nurga suurus\r\n
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