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Article #253Re: 2 zadanka pomo¿ecie ??
From: A.L.
Date: Sat, 09 Apr 2005 15:43
Date: Sat, 09 Apr 2005 15:43
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1265 bytes
On Sat, 9 Apr 2005 15:31:48 +0200, "Ola" <aleksandrasobocka@interia.pl> wrote: >> b - d³u¿sza podstawa >> c - krótsza podstawa >> x - (b-c)/2 >> h - wysoko¶æ trapezu >> cos(alfa)=a/b => b=a/cos(alfa) >> sin(alfa)=h/a => h=sin(alfa)*a >> cos(alfa)=x/a => x=cos(alfa)*a >> c=b-2x >> >> P=1/2h(b+c) >> >> > > Dziêkuje bardzo ...:))))) Ola > Witek pojdzie z toba na mature, oczywscie. A.L.
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Path: mbox-mo1.pugleaf.net!news-archive.icm.edu.pl!mat.uni.torun.pl!news.man.torun.pl!newsfeed.pionier.net.pl!news.glorb.com!border1.nntp.dca.giganews.com!border2.nntp.dca.giganews.com!nntp.giganews.com!sn-xit-02!sn-xit-01!sn-post-01!supernews.com!corp.supernews.com!not-for-mail From: A.L. <alewando_tego_nie@hotfuck.com> Newsgroups: alt.pl.matematyka Subject: Re: 2 zadanka pomo¿ecie ?? Date: Sat, 09 Apr 2005 10:43:36 -0500 Organization: Posted via Supernews, http://www.supernews.com Message-ID: <0vtf519vuj6cp6tnqh04582qopkke1jst2@4ax.com> References: <d38k4j$kon$1@nemesis.news.tpi.pl> <d38lk7$a4$1@nemesis.news.tpi.pl> <d38loq$17c$1@nemesis.news.tpi.pl> X-Newsreader: Forte Agent 2.0/32.652 MIME-Version: 1.0 X-Complaints-To: abuse@supernews.com Lines: 22 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit