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प्रश्न
In the given pairs of triangles of figure, applying only ASA congruence criterion, determine which triangles are congruent. Also, write the congruent triangles in symbolic form.
उत्तर
In ∆AOD and ∆BOC,
∠AOD = ∠BOC ......(Vertically opposite angles)
OD = OC ......(Given)
∠ADO = ∠BCO ......(Given)
∴ ∆AOD ≅ ∆BOC ......(ASA criterion)
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