∆ABC ∞ ∆DEF , AB = 6 , DE= 21 ,BC = 4 then EF= ? a) 14 b) 144 c) – InterviewSolution

1.

∆ABC ∞ ∆DEF , AB = 6 , DE= 21 ,BC = 4 then EF= ? a) 14 b) 144 c) 41 d) 441

Answer»

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Step-by-step explanation:

AB/DE = BC /EF

=> 6/21 = 4/EF

=> EF = 21×4÷6

=> EF = 14

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