document.write( "Question 388117: Given: ∠ABD≅∠DBC; B is the midpoint of AC\r
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document.write( "Prove: ΔABD≅ΔCBD\r
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document.write( "Which postulate proves these triangles congruent?\r
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Algebra.Com's Answer #274560 by kingme18(98)![]() ![]() You can put this solution on YOUR website! Since B is the midpoint of AC, AB is congruent to BC. Also, side BD is congruent to itself (reflexive property). These two triangles are thus congruent by SAS congruency. \n" ); document.write( " |