Iimb BbadbeGeometry > Mediumacute angled triangleobtuse angled triangleequilateral triangleright angled triangle✅ Correct Option: 4Related questions:IIM-B (BBA-DBE) 2025 #1In △ABC\triangle ABC△ABC, ADADAD is the bisector of ∠A\angle A∠A meeting BCBCBC at DDD. If AB=30AB = 30AB=30 cm, BC=20BC = 20BC=20 cm and the length of BDBDBD is 4 cm less than DCDCDC, then the length (in cm) of ACACAC is