Question

prove that the opposite sides of a parallelogram are of equal length​

Answer 1

Answer:

They are of equal length as parallelogram is also a kind of quadrilateral and in most of quadrilaterals opposite or adjacent sides are of equal length....

Please tell was it helpful or not

Answer 2

Answer:

Since opposite sides are equal in length , the squares on both diagonals are the same . We have already proven that a quadrilateral whose diagonals bisect each other is a parallelogram . Because ABCD is a parallelogram , it's opposite sides are equal . ( matching angles of congruent triangles ) .