Which postulate or theorem can be used to prove that △ABC≅△ADC? ASA Congruence Postulate SAS Congruence Postulate HL Congruence Theorem SSS Congruence Postulate
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Both the triangles ΔABC and ΔADC are congruent by SSS postulate of congruence.
From the picture attached,
In ΔABC and ΔADC,
AB ≅ AD (Given)
BC ≅ CD (Given)
AC ≅ AC (Reflexive property)
Since, corresponding sides of ΔABC are equal to ΔADC,
Therefore, ΔABC ≅ ΔADC (By S-S-S postulate of congruence)
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