Question

If the diagonals of a parallelogram
are
equal, then show that it is a rectangle.​

Answer 1

Answer:

$lets \: consider \: abcd \: as \: \: parallelogram \\ in \: quadrilateral \: abcd \: \\ side \: ad = sidebc \: \: \:a nd \: \\ side \: ab = side \: cd \\ therefor \: sides \: of \: parallelogram \: is \: eul \: to \: rectngle$

HENCE PROVED THIS