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of Triangles and Inesqualides in a Trianglemidpoint of BC. 1t DL L AB△ABC, D is theA AC such thaDLDM, prove thatn, DAt=AC and the bisectors of 4B and冂prove that BO-CO and

Answer»

Proof: in tri. BDL and tri. CDMDL=DM (given)BD=CD (given)Angle BLD=Angle CMD (DL per. to AB and DM per. to AC)Therefore tri. BDL = tri. CDM (RHS)Angle B =angle C (by c.p.c.t.)Hence proved, AB = AC ( side opp. to equal angles are equal)



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