Question

meri help karo
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Answer 1

Answer:

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Step-by-step explanation:

It is given that ∠BAD=∠EAC

∠BAD+∠DAC=∠EAC+∠DAC   [add ∠DAC on both sides]

∴∠BAC=∠DAE

In △BAC and △DAE ,

AB=AD (Given)

∠BAC=∠DAE (Proved above)

  AC=AE (Given)

∴△BAC≅△DAE (By SAS congruence rule)

∴BC=DE (By CPCT)

hence proved