Q. 5

# Show that A (-4,

Answer :

In a parallelogram, opposite sides are equal and parallel.

According to the distance formula, the distance 'd' between two points (a,b) and (c,d) is given by .....(1)

Slope m of a line passing through two points A(a,b) and B(c,d) ig given by In the question,

AB = = BC = = CD = = AD = = Slope of AB = Slope of BC = Slope of CD = Slope of AD = As AB = DC and BC = AD

And Slope AB = Slope CD

Slope BC = slope AD

Hence the given points form a parallelogram.

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