<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html> <head> <title>Quadril&aacute;teros - V</title> <style type="text/css"><!--body { font-family:Helvetica,sans-serif; margin-left:40px }--></style> </head> <body style="background-image: url(../../imagens/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">Quadril&aacute;teros - V</font></h2> <p><font face="Century Gothic"><i><b>Constru&ccedil;&atilde;o de um quadrado.</b></i></font></p> </td> <td style="border-style: none; border-width: medium;"> <font face="Century Gothic"> <img alt="" src="../../imagens/logo_vmn.jpg" style="border: 0px solid ; width: 120px; height: 76px;"></font></td> </tr> </tbody> </table> <p> <font face="Century Gothic">Marca dois pontos <i>A </i>e&nbsp; <i>B</i>.<br> Constr&oacute;i o segmento de recta<i>[AB]</i>.<br> Constr&oacute;i a circunfer&ecirc;cia de centro <i>A</i>e raio<i>[AB]</i>.<br> Por <i>A</i> constr&oacute;i uma perpendicular ao segmento de recta <i>[AB]</i>.<br> Marca o ponto intersec&ccedil;&atilde;o da circunfer&ecirc;cia com a recta.<br> Por <i>C</i> constr&oacute;i uma paralela a recta <i>AB</i>.<br> Por B constr&oacute;i uma perpendicular a recta <i>AB</i>.<br> Marca o ponto intersec&ccedil;&atilde;o das duas &uacute;ltimas rectas.<br> Constr&oacute;i o pol&iacute;gono [<i>ABDC</i>] definido pela intersec&ccedil;&atilde;o das rectas. <br> <applet code="geogebra.GeoGebraApplet" codebase="./" archive="../../ggb/geogebra.jar" height="350" width="600"> <param name="filename" value="quadrilateros.ggb"> <param name="framePossible" value="true"> <param name="showToolBar" value="true"> <param name="customToolBar" value=" 0 | 1 | 15 | 10 | 4 | 3 | 16 "> 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 e verifica se obt&eacute;ns sempre um quadrado.<br> &nbsp;</font></p> <p><font face="Century Gothic"><span style="font-size: small;">Jos&eacute; 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>