tag:blogger.com,1999:blog-259936444125934322024-09-09T20:12:28.741+01:00Toutes les définitions, toutes les propriétés et tous les théorèmes de mathématiques au collège, dans un seul blog.woufhttp://www.blogger.com/profile/18344223580161663600noreply@blogger.comBlogger66125tag:blogger.com,1999:blog-25993644412593432.post-9787667766876932162008-01-24T12:11:00.000+00:002013-07-09T20:37:05.907+01:00<div class="hypo"> <span class="si">Si</span> deux points sont sur un cercle</div> <br /> <div class="separator" style="clear: both; text-align: center;"> <a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEizCFx0W2kYH9wjvm_iGleY8T960zUBUZ6ws3CEnCnZjTuIIkoesgGaK58HI7VsbDohiwLIoUW3uyo2oamy4FU354QpFErAfZdV8fZAvmdLYO5YwSgrK-wKTeGfvmUDxMnOIwy4kFmAtYU/s1600/certcle.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="307" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEizCFx0W2kYH9wjvm_iGleY8T960zUBUZ6ws3CEnCnZjTuIIkoesgGaK58HI7VsbDohiwLIoUW3uyo2oamy4FU354QpFErAfZdV8fZAvmdLYO5YwSgrK-wKTeGfvmUDxMnOIwy4kFmAtYU/s320/certcle.png" width="320" /></a></div> <br /> <div class="ccl"> <span class="alors">Alors</span> le centre de ce cercle est équidistant de ces deux points.</div> woufhttp://www.blogger.com/profile/18344223580161663600noreply@blogger.com0tag:blogger.com,1999:blog-25993644412593432.post-71795459494756478862008-01-21T14:36:00.000+00:002013-07-12T15:27:13.836+01:00<div class="hypo"> <span class="si">Si</span> <br />un rectangle a deux côtés consécutifs égaux</div> <div class="hypo"> <br /></div> <div class="separator" style="clear: both; text-align: center;"> <a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjZWl4zjTqccYwo_WqFH7eX86pf-E7wBedp5PEZrskoNasze1sa7SPjOeH_PnAVA5y9yk3f3ihsA3lswwUVPxpV-evm_mnso3mnp8mZHzTh-5Et3GRO4X4z7LElATmD_ZjLCKuc-buyMiY/s1600/rectangle.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="236" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjZWl4zjTqccYwo_WqFH7eX86pf-E7wBedp5PEZrskoNasze1sa7SPjOeH_PnAVA5y9yk3f3ihsA3lswwUVPxpV-evm_mnso3mnp8mZHzTh-5Et3GRO4X4z7LElATmD_ZjLCKuc-buyMiY/s320/rectangle.png" width="320" /></a></div> <div class="hypo"> <br /></div> <br /> <div class="ccl"> <span class="alors">Alors</span> <br />c'est un carré</div> <div class="separator" style="clear: both; text-align: center;"> <a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgef0_PYE8cZEll6p5moGc7lYcOj6RbhoCMOQAkiM_xrh5BusXcYctYuyU5nA6qi85OGZEq9nfht5_oPoxCXHTJEqDNWrTDpQx3mCvSwuTywKUms6YZnD6ry_1v1Y_jpdz44Bh4iC7MO2g/s1600/carre.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="320" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgef0_PYE8cZEll6p5moGc7lYcOj6RbhoCMOQAkiM_xrh5BusXcYctYuyU5nA6qi85OGZEq9nfht5_oPoxCXHTJEqDNWrTDpQx3mCvSwuTywKUms6YZnD6ry_1v1Y_jpdz44Bh4iC7MO2g/s320/carre.png" width="306" /></a></div> <div class="ccl"> <br /></div> woufhttp://www.blogger.com/profile/18344223580161663600noreply@blogger.com0tag:blogger.com,1999:blog-25993644412593432.post-68223398417118676382008-01-20T20:24:00.000+00:002008-01-20T20:27:52.819+00:00<p class="hypo"><br /><span class="si">Si</span> <br />un losange a ses diagonales de même longueur<br /></p><br /><p class="ccl"><span class="alors">Alors</span> <br />c'est un carré<br /></p>woufhttp://www.blogger.com/profile/18344223580161663600noreply@blogger.com0tag:blogger.com,1999:blog-25993644412593432.post-86453829135988654102007-11-05T09:50:00.000+00:002007-11-05T09:51:16.204+00:00<p class="hypo"><span class="si">Si</span> un losange a un angle droit<br /><br /></p><br /><p class="ccl"><span class="alors">Alors</span> c'est un carré.<br /><br /></p>woufhttp://www.blogger.com/profile/18344223580161663600noreply@blogger.com0tag:blogger.com,1999:blog-25993644412593432.post-68154488371283205042007-11-05T09:48:00.000+00:002013-07-13T07:04:24.155+01:00<div class="hypo"> <span class="si">Si</span> un quadrilatère est un carré</div> <br /> <div class="ccl"> <span class="alors">Alors</span> ses diagonales ont même milieu, même longueur et sont perpendiculaires.</div> woufhttp://www.blogger.com/profile/18344223580161663600noreply@blogger.com0tag:blogger.com,1999:blog-25993644412593432.post-63482518243125149182007-10-09T15:57:00.000+01:002013-06-09T09:38:30.894+01:00<div class="hypo"> <span class="si">Si</span> un quadrilatère a ses diagonales perpendiculaires, de même longueur et de même milieu<br /><a href="http://www.flickr.com/photos/wouf/1524894954/" title="Partage de photos"><img alt="carre" height="239" src="http://farm3.static.flickr.com/2282/1524894954_c8207c659b_o.png" width="239" /></a></div> <br /> <div class="ccl"> <span class="alors">Alors</span> c'est un carré</div> woufhttp://www.blogger.com/profile/18344223580161663600noreply@blogger.com0tag:blogger.com,1999:blog-25993644412593432.post-8318043701265799662007-10-01T17:54:00.000+01:002007-10-01T17:55:55.663+01:00<p class="hypo"><span class="si">Si</span> <br />un quadrilatère est un carré<br /></p><br /><p class="ccl"><span class="alors">Alors</span> <br />il a quatre angles droits, quatre côtés égaux, et ses côtés opposés parallèles</p>woufhttp://www.blogger.com/profile/18344223580161663600noreply@blogger.com0tag:blogger.com,1999:blog-25993644412593432.post-14432483073527909732007-09-30T17:36:00.000+01:002007-09-30T17:38:22.769+01:00<p class="hypo"><span class="si">Si</span><br />Un quadrilatère a quatre côtés de même longueur et un angle droit <br /></p><br /><p class="ccl"><span class="alors">Alors</span><br />c'est un carré<br /></p>woufhttp://www.blogger.com/profile/18344223580161663600noreply@blogger.com0tag:blogger.com,1999:blog-25993644412593432.post-60025617706769129722007-09-15T11:10:00.000+01:002007-09-15T11:11:17.840+01:00<p class="hypo"><span class="si">Si</span> <br />A et B sont symétriques par rapport à I<br /></p><br /><p class="ccl"><span class="alors">Alors</span> <br />I est le milieu de [AB]<br /></p><br /><a href="http://www.flickr.com/photos/wouf/1386056308/" title="Partage de photos"><img src="http://farm2.static.flickr.com/1407/1386056308_a198b1a380_o.png" width="235" height="145" alt="milieu" /></a>woufhttp://www.blogger.com/profile/18344223580161663600noreply@blogger.com0tag:blogger.com,1999:blog-25993644412593432.post-49987703019685014692007-09-15T11:08:00.000+01:002013-06-09T09:38:07.226+01:00<div class="hypo"> <span class="si">Si</span> <br />I est le milieu de [AB]</div> <br /> <div class="ccl"> <span class="alors">Alors</span> <br />A et B sont symétriques par rapport à I</div> <br /> <a href="http://www.flickr.com/photos/wouf/1386056308/" title="Partage de photos"><img alt="milieu" height="145" src="http://farm2.static.flickr.com/1407/1386056308_a198b1a380_o.png" width="235" /></a>woufhttp://www.blogger.com/profile/18344223580161663600noreply@blogger.com0tag:blogger.com,1999:blog-25993644412593432.post-70999132215185109312007-05-15T14:21:00.001+01:002008-04-17T16:19:25.024+01:00<p class="hypo"><span class="si">Si</span> un triangle est rectangle<br /><br /></p><br /><p class="ccl"><span class="alors">Alors</span> le cosinus de l'un de ses angles aigus est le quotient du côté adjacent à cet angle par l'hypoténuse<br /><br /></p><a href="http://www.flickr.com/photos/wouf/499430910/" title="Photo Sharing"><img src="http://farm1.static.flickr.com/200/499430910_f06f844e36_o.png" alt="cosinus" height="275" width="401" /></a><br /><br /><a href="http://site2wouf.fr/cosinus.php">>>> leçon 4ème >>></a><br /><br /><a href="http://site2wouf.fr/trigonometrie.php">>>> leçon 3ème >>></a>woufhttp://www.blogger.com/profile/18344223580161663600noreply@blogger.com0tag:blogger.com,1999:blog-25993644412593432.post-86188603074070009632007-05-15T13:09:00.000+01:002007-05-15T13:11:18.792+01:00<p class="hypo"><span class="si">Si</span> un quadrilatère a ses diagonales de même milieu et de même longueur <br /><br /></p><br /><p class="ccl"><span class="alors">Alors</span> c'est un rectangle.<br /><br /></p><a href="http://www.flickr.com/photos/wouf/499365098/" title="Photo Sharing"><img src="http://farm1.static.flickr.com/212/499365098_51a081e05b_o.png" width="326" height="249" alt="rectangle" /></a>woufhttp://www.blogger.com/profile/18344223580161663600noreply@blogger.com0tag:blogger.com,1999:blog-25993644412593432.post-73395348317664365562007-05-15T12:52:00.000+01:002007-05-15T12:54:49.662+01:00<p class="hypo"><span class="si">Si</span> un quadrilatère est un rectangle<br /><br /></p><br /><p class="ccl"><span class="alors">Alors</span> ses côtés opposés sont parallèles et de même longueur et ses quatre angles sont droits.<br /><br /></p>woufhttp://www.blogger.com/profile/18344223580161663600noreply@blogger.com0tag:blogger.com,1999:blog-25993644412593432.post-91783224025008652342007-05-14T21:22:00.000+01:002007-05-14T21:38:51.443+01:00<p class="hypo"><span class="si">Si</span> un quadrilatère a trois angles droits<br /><br /></p><br /><p class="ccl"><span class="alors">Alors</span> c'est un rectangle.<br /><a href="http://www.flickr.com/photos/wouf/498447366/" title="Photo Sharing"><img src="http://farm1.static.flickr.com/231/498447366_c0d57c4fd1_o.png" width="398" height="216" alt="rectangle" /></a><br /></p>woufhttp://www.blogger.com/profile/18344223580161663600noreply@blogger.comtag:blogger.com,1999:blog-25993644412593432.post-75474556620196727032007-05-13T18:11:00.000+01:002007-05-13T18:12:09.185+01:00<p class="hypo"><span class="si">Si</span> un parallélogramme a ses diagonales perpendiculaires<br /><br /></p><br /><p class="ccl"><span class="alors">Alors</span> c'est un losange.<br /><br /></p>woufhttp://www.blogger.com/profile/18344223580161663600noreply@blogger.com0tag:blogger.com,1999:blog-25993644412593432.post-92155382804876993692007-05-13T18:08:00.000+01:002007-05-13T18:10:39.196+01:00<p class="hypo"><span class="si">Si</span> un parallélogramme a deux côtés consécutifs de même longueur<br /><br /></p><br /><p class="ccl"><span class="alors">Alors</span> c'est un losange<br /><br /></p>woufhttp://www.blogger.com/profile/18344223580161663600noreply@blogger.com0tag:blogger.com,1999:blog-25993644412593432.post-64433660452617380462007-05-12T13:15:00.000+01:002007-05-12T13:16:26.440+01:00<p class="hypo"><span class="si">Si</span> un quadrilatère a ses diagonales perpendiculaires et de même milieu<br /><br /></p><br /><p class="ccl"><span class="alors">Alors</span> c'est un losange<br /><br /></p><br /><br /><a href="http://www.flickr.com/photos/wouf/494690193/" title="Photo Sharing"><img src="http://farm1.static.flickr.com/190/494690193_4c8ad71170_o.png" width="345" height="431" alt="losange" /></a>woufhttp://www.blogger.com/profile/18344223580161663600noreply@blogger.com0tag:blogger.com,1999:blog-25993644412593432.post-46066726930967401572007-05-12T09:41:00.000+01:002007-05-12T09:43:54.740+01:00<p class="hypo"><span class="si">Si</span> un quadrilatère est un losange<br /><br /></p><br /><p class="ccl"><span class="alors">Alors</span> ses côtés opposés sont parallèles et ses quatre côtés sont de même longueur<br /></p>woufhttp://www.blogger.com/profile/18344223580161663600noreply@blogger.com0tag:blogger.com,1999:blog-25993644412593432.post-53887766537034514642007-05-12T09:39:00.000+01:002007-05-12T09:40:35.822+01:00<p class="hypo"><span class="si">Si</span> un quadrilatère a ses quatre côtés de même longueur<br /><br /></p><br /><p class="ccl"><span class="alors">Alors</span> c'est un losange<br /><br /></p><br /><br /><a href="http://www.flickr.com/photos/wouf/494526654/" title="Photo Sharing"><img src="http://farm1.static.flickr.com/189/494526654_0db3de4af3.jpg" width="413" height="466" alt="losange" /></a>woufhttp://www.blogger.com/profile/18344223580161663600noreply@blogger.com0tag:blogger.com,1999:blog-25993644412593432.post-26936771657204542042007-05-12T09:20:00.000+01:002013-06-14T17:12:31.927+01:00<div class="hypo"> <span class="si">Si</span> ABNM est un parallélogramme</div> <br /> <div class="ccl"> <span class="alors">Alors</span> M a pour image N dans la translation<br />qui transforme A en B<br /><br /><a href="http://www.flickr.com/photos/wouf/491231327/" title="Photo Sharing"><img alt="parallélogramme et vecteurs égaux" height="210" src="http://farm1.static.flickr.com/231/491231327_443056e618_m.jpg" width="240" /></a></div> <div class="ccl"> <br /></div> <div class="ccl"> <span style="color: #f6b26b;"><br /></span></div> <div class="ccl"> <span style="color: #f6b26b;">HORS PROGRAMME</span></div> woufhttp://www.blogger.com/profile/18344223580161663600noreply@blogger.com0tag:blogger.com,1999:blog-25993644412593432.post-32111166627668082632007-05-10T12:46:00.001+01:002008-04-17T16:20:12.257+01:00<p class="hypo"><span class="si">Si</span> a et b sont des nombres<br /><br /></p><br /><p class="ccl"><span class="alors">Alors</span> <br /><a href="http://www.flickr.com/photos/wouf/492373980/" title="Photo Sharing"><img src="http://farm1.static.flickr.com/205/492373980_5378e60376_m.jpg" width="240" height="145" alt="Identités_remarquables" /></a><br /><br /></p><br /><br /><a href="http://site2wouf.fr/litterale_3eme.php">>>> leçon >>></a>woufhttp://www.blogger.com/profile/18344223580161663600noreply@blogger.com0tag:blogger.com,1999:blog-25993644412593432.post-71116274139706631592007-05-09T14:41:00.000+01:002013-06-14T17:13:19.513+01:00<div class="hypo"> <span class="si">Si</span> M a pour image N dans la translation<br />qui transforme A en B</div> <br /> <div class="ccl"> <span class="alors">Alors</span> ABNM est un parallélogramme<br /><br /><a href="http://www.flickr.com/photos/wouf/491231327/" title="Photo Sharing"><img alt="parallélogramme et vecteurs égaux" height="210" src="http://farm1.static.flickr.com/231/491231327_443056e618_m.jpg" width="240" /></a></div> <div class="ccl"> <br /></div> <div class="ccl"> <span style="background-color: white; color: #f6b26b; font-family: Arial, Tahoma, Helvetica, FreeSans, sans-serif; font-size: 15px; line-height: 20px;">HORS PROGRAMME</span></div> woufhttp://www.blogger.com/profile/18344223580161663600noreply@blogger.com0tag:blogger.com,1999:blog-25993644412593432.post-52478368317484454112007-05-08T16:45:00.000+01:002007-05-08T16:46:25.831+01:00<p class="hypo"><span class="si">Si</span> un quadrilatère non croisé a deux côtés parallèles et de même longueur<br /><br /></p><br /><p class="ccl"><span class="alors">Alors</span> c'est un parallélogramme.<br /><br /></p>woufhttp://www.blogger.com/profile/18344223580161663600noreply@blogger.com0tag:blogger.com,1999:blog-25993644412593432.post-36843256992932324812007-05-08T07:47:00.000+01:002007-05-08T07:49:06.027+01:00<p class="hypo"><span class="si">Si</span> un quadrilatère a ses côtés opposés de même longueur<br /><br /></p><br /><p class="ccl"><span class="alors">Alors</span> c'est un parallélogramme.<br /><br /></p>woufhttp://www.blogger.com/profile/18344223580161663600noreply@blogger.com0tag:blogger.com,1999:blog-25993644412593432.post-36991218767867205542007-05-08T07:44:00.000+01:002007-05-08T07:49:43.363+01:00<p class="hypo"><span class="si">Si</span> un quadrilatète est un parallélogramme,<br /><br /></p><br /><p class="ccl"><span class="alors">Alors</span> ses côtés opposés sont de même longueur<br /><br /></p><a href="http://www.flickr.com/photos/wouf/489539793/" title="Photo Sharing"><img src="http://farm1.static.flickr.com/215/489539793_91399a4732_m.jpg" width="240" height="155" alt="parallélogramme" /></a>woufhttp://www.blogger.com/profile/18344223580161663600noreply@blogger.com0