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Hi there! Have questions about your homework? At Brainly, there are 60 million students who want to help each other learn. Questions are usually answered in less than 10 minutes. Try it for yourself by posting a question! :D

given , BD = CE angle BEC = angle BDC = To prove - ΔBEC is congruent to ΔBDC proof , BD = CE ( Given ) angle BEC = angle BDC ( Given ) BC = BC ( common ) by SAS ΔBEC is congruent to ΔBDC , therefore , angle EBC = DCB ( C.P.C.T ) therefore, ΔBEC is isosceles ( because by the property of isosceles triangle base angles are equal )