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		<title>Constructia triunghiurilor 1 &#8211; cazul LLL</title>
		<link>http://matematicalazi.wordpress.com/2011/08/24/constructia-triunghiurilor-1/</link>
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		<pubDate>Wed, 24 Aug 2011 12:11:00 +0000</pubDate>
		<dc:creator>prof. Bogdan Rusu</dc:creator>
				<category><![CDATA[geogebra]]></category>
		<category><![CDATA[triunghi]]></category>

		<guid isPermaLink="false">https://matematicalazi.wordpress.com/2011/08/24/constructia-triunghiurilor-1cazul-lll/</guid>
		<description><![CDATA[Pentru a construi un triunghi folosind cazul LLL (latură – latură – latură) trebuie să ținem cont de următoarea condiție: suma lungimilor a doua laturi ale triunghiului să fie mai mare decât lungimea celei de a treia laturi. Etapele construcției 1 Se deschide aplicația GeoGebra 2 Se construiește un segment [AB] notat cu c 3&#160;&#8230; <a href="http://matematicalazi.wordpress.com/2011/08/24/constructia-triunghiurilor-1/">Citește&#160;mai mult</a><img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=matematicalazi.wordpress.com&amp;blog=8789092&amp;post=361&amp;subd=matematicalazi&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
			<content:encoded><![CDATA[<p><span style="font-size:12pt;"><span style="font-family:arial;">Pentru a construi un triunghi folosind cazul LLL (latură – latură – latură) trebuie să ținem cont de următoarea condiție: <strong>suma lungimilor a doua laturi ale triunghiului să fie mai mare decât lungimea celei de a treia laturi</strong>.</span>      <br /></span></p>
<h3><span style="font-family:arial;font-size:12pt;">Etapele construcției</span></h3>
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<td style="border-bottom:.75pt outset;border-left:.75pt outset;border-top:.75pt outset;border-right:.75pt outset;padding:6px;" valign="middle" colspan="2"><span style="font-family:arial;font-size:12pt;">1</span></td>
<td style="border-bottom:.75pt outset;border-left-style:none;border-top:.75pt outset;border-right:.75pt outset;padding:6px;" valign="middle"><span style="font-family:arial;font-size:12pt;">Se deschide aplicația <span style="color:blue;"><strong>GeoGebra</strong></span></span></td>
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<td style="border-bottom:.75pt outset;border-left:.75pt outset;border-top-style:none;border-right-style:none;padding:6px;" valign="middle"><span style="font-family:arial;font-size:12pt;">2</span></td>
<td style="border-bottom:.75pt outset;border-left-style:none;border-top-style:none;border-right:.75pt outset;padding:6px;" valign="middle"><img alt="" src="http://matematicalazi.files.wordpress.com/2011/08/082411_1511_constructia113.jpg?w=640" /></td>
<td style="border-bottom:.75pt outset;border-left-style:none;border-top-style:none;border-right:.75pt outset;padding:6px;" valign="middle"><span style="font-family:arial;font-size:12pt;">Se construiește un segment <strong>[AB]</strong> notat cu c</span></td>
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<td style="border-bottom:.75pt outset;border-left:.75pt outset;border-top-style:none;border-right-style:none;padding:6px;" valign="middle"><span style="font-family:arial;font-size:12pt;">3</span></td>
<td style="border-bottom:.75pt outset;border-left-style:none;border-top-style:none;border-right:.75pt outset;padding:6px;" valign="middle"></td>
<td style="border-bottom:.75pt outset;border-left-style:none;border-top-style:none;border-right:.75pt outset;padding:6px;" valign="middle"><span style="font-family:arial;font-size:12pt;">Se introduce raza cercului cu centrul în A notată cu r<sub>a</sub></span></td>
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<td style="border-bottom:.75pt outset;border-left:.75pt outset;border-top-style:none;border-right-style:none;padding:6px;" valign="middle"><span style="font-family:arial;font-size:12pt;">4</span></td>
<td style="border-bottom:.75pt outset;border-left-style:none;border-top-style:none;border-right:.75pt outset;padding:6px;" valign="middle"></td>
<td style="border-bottom:.75pt outset;border-left-style:none;border-top-style:none;border-right:.75pt outset;padding:6px;" valign="middle"><span style="font-family:arial;font-size:12pt;">În fereastra <strong>Algebra</strong> se face click dreapta pe r<sub>a</sub> și în meniul derulant se dă click pe <strong>Object Proprieties </strong>(Figura 1)</span></td>
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<td style="border-bottom:.75pt outset;border-left:.75pt outset;border-top-style:none;border-right-style:none;padding:6px;" valign="middle"><span style="font-family:arial;font-size:12pt;">5</span></td>
<td style="border-bottom:.75pt outset;border-left-style:none;border-top-style:none;border-right:.75pt outset;padding:6px;" valign="middle"></td>
<td style="border-bottom:.75pt outset;border-left-style:none;border-top-style:none;border-right:.75pt outset;padding:6px;" valign="middle"><span style="font-family:arial;font-size:12pt;">În fereastra Object proprieties se setează ca în Figura 2 valorile minimă și maximă pentru variația lui r<sub>a</sub></span></td>
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</table></div>
<p><img alt="" src="http://matematicalazi.files.wordpress.com/2011/08/082411_1511_constructia23.jpg?w=640" />&#160;&#160;&#160; <img alt="" src="http://matematicalazi.files.wordpress.com/2011/08/082411_1511_constructia33.jpg?w=640" /></p>
<p><span style="font-family:arial;font-size:10pt;"><strong>&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; Figure 1&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; Figure 2</strong></span></p>
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