Q. 24.3( 6 Votes )

In the given figu A. 5.6 cm

B. 4.8 cm

C. 5.2 cm

D. 6.4 cm

Answer :

Given: DE BC

DE = 5 cm


BC = 8 cm


AD = 3.5 cm


To find: AB


DE BC


By Basic proportionality theorem, we have


………..(i)


Now, in ∆ ADE and ∆ ABC, we have


[By (i)]


DAE = BAC [Common angle]


By SAS criterion,


∆ ADE ∆ ABC




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