D1897 Antoine Verroken Q1. F D , E C périmètre : 5 + 5 =10
Q2. AB = x
x² = 6 + x * sqrt(16-x²)/2 + ¾*3/4 * x *sqrt(16-x²)/2 +x*sqrt(25-x)/2 aire ABCD x² = 15 ( arrondie )
Q3. AD // CB x = 10°
Q4. AC = BC EB = ED
Q5. DBM = 25° BAD = CBM BAC = 25° DBM = 25°
Q6. QC = 10 BC = 8