In a triangle ABC, ∠BAC = 90° and AD is perpendicular to BC. If AD = 8.4 cm and BD = 4.8 cm, then the length of BC is

• ক If AD = 6 cm and BD = 4 cm then the length of BC is:
• খ 8 cm
• গ 10 cm
• ঘ 19.5 cm ✅ সঠিক উত্তর