Question

tribhuj ABC aur DEF main <B = <E, <F= <C tatha AB = 3DE​

Answer 1

Given :  Triangle ABC and DEF <B = <E, <F= <C  

AB = 3DE​

To Find :  correct option

congruent but not similar

similar but not congruent

neither similar nor congruent

none of these

Solution:

ΔABC  & ΔDEF

∠B = ∠E

∠C  = ∠F

=> ΔABC ≈  ΔDEF       ( AA )

AB/DE = BC/EF  = AC/DF

AB = 3DE​

=> AB/DE = 3

=> AB/DE = BC/EF  = AC/DF  = 3

for triangles to be congruent side ratios must be 1

Triangles are similar but not congruent

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