we have:
=> 6 ÷ 11 = 12 ÷ AB
=> AB = 12 × 6 ÷ 11 = 72/11 ≈ 6,5
Answer: 72/11 ≈ 6,5
P/s: CA = CD + AD = 6 + 5 = 11
Ok done. Thank to me :>
