Math, asked by aryan2189, 1 year ago

please answer this question

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Answered by thyphamxuan
0

AB // CD => <AED = <EDC & <BEC=<CED

DE bisects <ADC => <ADE = <EDC

                             => <ADE = <AED

                              => ADE is  isosceles triangle

                             => AD=AE

Do the same for BEC triangle => EB=BC

AB=AE + EB= AD+BC

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