Show that the points A (2,-2), B (14,10), C (11,13) and D (-1,1) represent a rectangle.
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If you know the distance formula then I think this is the easiest question.
D=((y2-y1)^2+(x2-x1)^2))^(1/2)
apply this.
The length of AB And CD will be equal as they are opposite sides.
similarly the lenght of BC and AD will be eqaul.
hence it will be rectangle
D=((y2-y1)^2+(x2-x1)^2))^(1/2)
apply this.
The length of AB And CD will be equal as they are opposite sides.
similarly the lenght of BC and AD will be eqaul.
hence it will be rectangle
shagufta028:
Actually I need direct solution
That's ok I'll manage it :(
Thank you
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