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The diagonals of a parallelogram PQRS are along the lines x + 3y = 4 and 6x − 2y = 7. Then PQRS must be a

Option: 1

Rectangle

 


Option: 2

Square

 


Option: 3

Cyclic quadrilateral 


Option: 4

Rhombus


Answers (1)

best_answer

Product of slopes of the diagonals = −1

i.e. diagonals are mutually perpendicular.

Hence PQRS is a rhombus,

Which is given in (d)

 

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