Prove that if each pair of opposit

1.	Prove that if each pair of opposit
Answer» Proof: In ΔADC and ΔABC, AD=BC CD=AB AC=AC (common) By SSS rule, ΔADC~ΔABC Prove the two triangles congruent by sssAlternate are equal lines are parallelAbcd is a parallelogrsm Prove that if each pair of opposite sides of the quadrilateral is equal then it is parallelogram

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