Question

Prove that all sides are rhombus are equal

Answer 1

The diagonals of a quadrilateral bisect all the angles, then it's a rhombus (converse of a property)... Their four ends must form a diamond shape– a rhombus. If two consecutive sides of a parallelogram are congruent, then it's a rhombus (neither the reverse of the definition nor the Converse of a property)

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