On a dispose quatre triangles rectangles roses superposable de deux façons differentes a l'intérieur d'un même grand carré a. quel est la nature de chacun des quadrilatères bleu ? expliquer
b. expliquer pourquoi l'aire du quadrilatère bleu de la figure 1 est égale a la somme des aires des quadrilatères bleus de la figure 2
c. retrouvez ainsi le théorème de Pythagore

Luke started a weight-loss program. the first week, he lost x pounds. the second week, he lost pounds less than times the pounds he lost the first week. the third week, he lost 1 pound more than of the pounds he lost the first week. liam started a weight-loss program when luke did. the first week, he lost 1 pound less than times the pounds luke lost the first week. the second week, he lost 4 pounds less than times the pounds luke lost the first week. the third week, he lost pound more than times the pounds luke lost the first week.