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2015-04-03T10:56:37+05:30
In triangle ABC AD is median 
⇒ar[ABD]=ar[ADC]
⇒ar[ADC]=1/2 ar[ABC]              [i]
also CE is median 
⇒ar[DEC]=1/2 ar[ADC]
⇒ar[DEC]=1/2 * 1/2 ar[ABC]            from equation [i]
⇒ar[DEC]=1/4ar[ABC]
               =1/4*144
                = 36 cm ^2
2 5 2