2 In ΔABC, D and E are points on the sides AB and ACrespectively such – InterviewSolution

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2 In ΔABC, D and E are points on the sides AB and ACrespectively such that DE 11 BC. If AD = 4, DB-x-4AE = 8 and EC = 3x-19, then find the value of x.[Ans. x =11]

Answer»

if DE || BC ,. then AD/DB = AE/EC

=> 4/(X-4) = 8/(3X-19)=> 3X-19 = 2X-8=> X = 19-8 = 11

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