Question

If triangle ABC is similar to triangle DEF such that BC =3 CM ,EF = 4 CM and area of the triangle ABC = 34 CM then the area of triangle DEF is

Answer 1

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Answer 2

ar of ∆ ABC. (BC)^2
---------------- = ---------
ar of ∆ DEF. (EF)^2

34. 3^2
-----= -----
DEF 4^2

. 34. 9
---- = ----
DEF 16

9 × ar of ∆ DEF = 544

ar of ∆ DEF = 544/ 9

ar of ∆ DEF = 60.445 cm^2

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