Question

ABCD,DCEF and ABEF are parrellograms.show that ar ( ade)=ar(bcf)

Answer 1

AE = BF.... ( opp. sides of the //gm)

AD = BC ..... ( " " )

DE = CF ....... ( " )

By SSS congruence rule , ADE ~ BCF

So, Since congruent s are exactly similar to each other , So , ar.ADE = ar. BCF.

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