usmeno 2 Flashcards

1
Q

krug

A

skup svih tocaka ravnine omedenih kruznicom

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2
Q

kruznica

A

skup svih tocaka ravnine koje su jednako udaljene od sredista

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3
Q

srediste

A

cvrsta tocka ravnine

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4
Q

radius / polumjer

A

duzina koja spaja srediste s bilo kojom drugom tockom

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5
Q

promjer

A

najdulja tetiva kruznice
d=2r

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6
Q

tetiva

A

duzina koja spaja dvije tocke kuznice a ne prolazi sredistem

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7
Q

tangenta

A

pravac koji dotice kruznicu u jednoj tocki , okomit na radijus

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8
Q

sekanta

A

pravac koji sijece kruznicu u dvijema tockama

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9
Q

kruzni isjecak

A

dio kruga omeden s 2 polumjera i pripadnim kruznim lukom

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10
Q

kruzni odsjecak

A

dio kruga omeden tetivom, pripadnim kruznim lukom

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11
Q

kruzni luk

A

dio kruznice koi spaja dvije tocke kruznice

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12
Q

povrsina kruga

A

p=r(2)pi

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13
Q

opseg kruga

A

o=2rPI

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14
Q

povrsina kruznog odsjecka

A

pk isjecka - povrsina trokuta

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15
Q

duljina kruznog luka

A

l=rPId/180stupnjeva

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