Question

please help me
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Answer 1

In triangle ABC and triangle CDA

AB =DC(opp. side of parreleogrem are equal)

make an angle on the diagonal A and C so that

angle 1 = angle 2(alternate interior angle)

AD=BC(opp. side of parreleogram are equal)

by SAS congruent rule

∆ABC IS CONGRUENT TO ∆CDA

2 PART

ANGLE ABC US EQUAL TO ANGLE DAC

3 PART

IN ∆ABC AND ∆ACD

AB=DC (opp. side of parreleogram are equal)

angle 1 = angle 2 (alternate interior angle)

AD=BC(opp. side of parreleogram are equal)

By SAS congruent rule

∆ABC is congruent to ∆ACD

therefore, ∆ABC is congruent to ∆ACD

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