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Question
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.
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Solution
In ∆ABC and ∆DFE,
∠A = ∠D ...(Given)
∠B = ∠F ...(Given)
∴ ∠C = ∠E ...(Since two angles are equal)
BC = FE ...(Given)
∴ ∆ABC ≅ ∆DFE ...(ASA criterion)
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