Kör kerülete

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A kör kerülete kiszámolható a kör_területe alapján.


C=3.2r23.2(rx)2x=3.2r23.2(r22rx+x2)x=6.4rx3.2x2x=6.4r3.2x Mivel az x csak elméleti, 0 közeli értékkel, C=6.4r

Gaal Sandor (talk) 14:24, 26 April 2021 (UTC)