Hello Chandrasheker, here is the solution to your question http://teachoo.com/1208/443/Ex-8.1,-5---Ex-8.1,--5Show-that-if-the-diagonals-of-a-quadrilateral-are-equal-and-bisect-each-other-at-right-a/category/Ex-8.1/
Written on Dec. 5, 2016, 5:13 p.m.
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Answer of this question
If the diagonals of a parallelogram are equal and intersect at right angles then the parallelogram is square
Davneet Singh
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