<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html> <head> <title>Quadriláteros - III - GeoGebra Planilha dinâmica</title> <meta name="generator" content="Microsoft FrontPage 5.0"> <style type="text/css"><!--body { font-family:Helvetica,sans-serif; margin-left:40px }--></style> </head> <body background="nuvem.jpg"> <table style="border-width: 0px;" border="0" width="600"> <tbody> <tr> <td style="border-style: none; border-width: medium;"> <table style="border-width: 0px; border-collapse: collapse;" id="table1" border="1" width="100%"> <tbody> <tr> <td style="border-style: none; border-width: medium;" width="474"> <h2><font face="Century Gothic" size="3">Quadriláteros - III</font></h2> <p><font face="Century Gothic"><i><b>Construção de um paralelogramo.</b></i></font></p> </td> <td style="border-style: none; border-width: medium;"> <font face="Century Gothic"> <img src="logo_vmn.jpg" border="0" height="76" width="120"></font></td> </tr> </tbody> </table> <p> <font face="Century Gothic">Marca dois pontos <i>A </i>e&nbsp; <i>B</i>.<br> Constrói a recta <i>AB</i>.<br> Marca um terceiro ponto&nbsp; <i>C</i>.<br> Por <i>C</i> constrói uma paralela a recta <i>AB</i>.<br> Constrói a recta<i> CA</i>.<br> Por <i>B</i> constrói uma paralela a recta <i>CA</i>. <br> Constrói o polígono [<i>ABDC</i>] definido pela intersecção das rectas. <br> <applet code="geogebra.GeoGebraApplet" codebase="./" archive="geogebra.jar" height="350" width="600"> <param name="filename" value="quadrilateros.ggb"> <param name="framePossible" value="false"> <param name="showToolBar" value="true"> <param name="showAlgebraInput" value="true"> <param name="customToolBar" value=" 0 | 1 | 2 | 3 | 36 | 16 | 10"> Sorry, the GeoGebra Applet could not be started. Please make sure that Java 1.4.2 (or later) is installed and activated. (<a href="http://java.sun.com/getjava">click here to install Java now</a>) </applet></font></p> <p> <font face="Century Gothic">Movimenta os pontos de modo a obter um:<br> </font></p> <ul> <li><font face="Century Gothic">rectângulo;</font></li> <li><font face="Century Gothic">quadrado;</font></li> <li><font face="Century Gothic">•losango.</font></li> </ul> <p><font face="Century Gothic">&nbsp;</font></p> <p><font face="Century Gothic"><span style="font-size: small;">José Manuel Dos Santos Dos Santos, 25-02-2007, Criado com <a href="http://www.geogebra.at" target="_blank">GeoGebra</a></span></font></p> </td> </tr> </tbody> </table> </body> </html>