Please answer it sir/mam Share with your friends Share 0 Saksham Tolani answered this Dear Student, Given-AD is the angular bisector of a triangle ABC.AD meets BC at D.To find out-which of the given options is true.Solution-AD is the bisector of∠BAC.∴∠BAD=∠CAD.Again, in ΔACD,∠ADC is the external angle.We know that the external angle of a triangle is greater than each internal opposite angle of the same triangle.∴∠ADB=∠DAC+DCA.=∠BAD+∠DCA (∵∠DAC=∠BAD)i.e∠ADC>∠BAD.∴BA>BD.So option B is true.Option A is true only when the triangle is equlateral or isosceles.Option C is false since Option B is true.OptionD is false since∠ADC>∠BAD or ∠CAD∴CD≯CA Ans-OptionB. Regards! 0 View Full Answer