&lt;p style=&quot;color: rgb(113, 116, 141); text-align: center;&quot;&gt;&lt;span times=&quot;&quot; new=&quot;&quot; roman&quot;,=&quot;&quot; serif;=&quot;&quot; font-size:=&quot;&quot; 18pt;=&quot;&quot; font-weight:=&quot;&quot; bolder;=&quot;&quot; text-align:=&quot;&quot; left;&quot;=&quot;&quot; style=&quot;color: rgb(0, 176, 80);&quot;&gt;exercice 1 page 154 :&lt;/span&gt;&lt;/p&gt;&lt;p style=&quot;color: rgb(113, 116, 141); text-align: center;&quot;&gt;&lt;span times=&quot;&quot; new=&quot;&quot; roman&quot;,=&quot;&quot; serif;=&quot;&quot; font-size:=&quot;&quot; 18pt;=&quot;&quot; font-weight:=&quot;&quot; bolder;=&quot;&quot; text-align:=&quot;&quot; left;&quot;=&quot;&quot; style=&quot;color: rgb(0, 176, 80);&quot;&gt;&lt;span style=&quot;font-family: &amp;quot;Times New Roman&amp;quot;, serif; font-size: 24px; font-weight: 700; text-align: left;&quot;&gt;Exercice 2 page 154 :&lt;/span&gt;&lt;br&gt;&lt;/span&gt;&lt;/p&gt;&lt;p class=&quot;MsoNormal&quot; align=&quot;center&quot; style=&quot;color: rgb(113, 116, 141); text-align: center;&quot;&gt;&lt;span style=&quot;font-weight: bolder;&quot;&gt;&lt;i&gt;&lt;u&gt;&lt;span times=&quot;&quot; new=&quot;&quot; roman&quot;,=&quot;&quot; serif;=&quot;&quot; color:=&quot;&quot; red;&quot;=&quot;&quot; style=&quot;font-size: 20pt; line-height: 30.6667px;&quot;&gt;S&eacute;ance 51&lt;o:p&gt;&lt;/o:p&gt;&lt;/span&gt;&lt;/u&gt;&lt;/i&gt;&lt;/span&gt;&lt;/p&gt;&lt;p style=&quot;margin-bottom: 20px; color: rgb(113, 116, 141);&quot;&gt;&lt;span style=&quot;font-weight: bolder;&quot;&gt;&lt;i&gt;&lt;u&gt;&lt;span times=&quot;&quot; new=&quot;&quot; roman&quot;,=&quot;&quot; serif;=&quot;&quot; color:=&quot;&quot; red;&quot;=&quot;&quot; style=&quot;font-size: 20pt; line-height: 30.6667px;&quot;&gt;Tracer des quadrilat&egrave;res :&amp;nbsp;&lt;/span&gt;&lt;/u&gt;&lt;/i&gt;&lt;/span&gt;&lt;/p&gt;