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In the figure, it is given that $AB = CD$ and $AD = BC$. Prove that $\triangle ADC \cong \triangle CBA$.
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Given:

$AB = CD$ and $AD = BC$.

To do:

We have to prove that $\triangle ADC \cong \triangle CBA$.

Solution:

From the figure,

In $\triangle ADC$ and $\triangle CBA$,

$CD = AB$              (Given)

$AD = BC$              (Given)

$CA = CA$             (Common)

Therefore, by SSS axiom,

$\triangle ADC \cong \triangle CBA$.

Updated on: 10-Oct-2022

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