In the given figure, the triangles ABC and ABD are congruent by ________ congruence criterion.

SAS

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SSS

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RHS

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ASA

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Solution

The correct option is A SAS
In ΔABC and ΔABD,
AC = AD = 2 cm
∠CAB = ∠DAB = 20°
AB = AB (Common)
∴ ΔABC ≅ ΔABD (SAS congruence criterion)
Hence, the correct answer is option (a).

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In the given figure, the triangles ABC and ABD are congruent by ________ congruence criterion.

The correct option is A SASIn ΔABC and ΔABD, AC = AD = 2 cm ∠CAB = ∠DAB = 20° AB = AB (Common) ∴ ΔABC ≅ ΔABD (SAS congruence criterion) Hence, the correct answer is option (a).

The correct option is A SAS
In ΔABC and ΔABD,
AC = AD = 2 cm
∠CAB = ∠DAB = 20°
AB = AB (Common)
∴ ΔABC ≅ ΔABD (SAS congruence criterion)
Hence, the correct answer is option (a).