Consider the triangle shown in the figure where BC = 12 cm, DB = 9 cm, CD = 6 cm and ∠BCD = ∠BA What is the ratio of the perimeter of the triangle ADC to that of the triangle BDC ?

• ক 5 : 9 E. None of these
• খ 8 : 9
• গ 7 : 9
• ঘ 6 :9 ✅ সঠিক উত্তর