Q. 174.4( 76 Votes )

In the figure, if

Answer :

12 cm


For ∆ACB & ∆ADC,


CAB = DAC ………common angle


ACB = CDA ………given


∆ACB ~ ∆ADC ………by AA test of similarity


………corresponding sides of similar triangles




AB = 12 cm


Hence, length of AB is 12 cm.


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