NOEMIECORCUFF29 NOEMIECORCUFF29 19-10-2022 Mathématiques Answered A = (3a + 4) (4a + 2) = 129² +60 +1678 = 12a² +229 +8 Question 3: A partir des indications portées sur la figure ci-contre, calculer CD. Donnez la valeur exacte. C 4 am B 2 cm D