Quadrilateral BCDE is a square.

Algebra
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Jun 27th, 2015

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Coordinates of B are B(0, 3) and

coordinates of C are C(3, 5)


Slope of BC



Since BCDE is a square, BC || DE .

If two lines are parallel, then they have the same slope. 

So, slope of DE


Since BCDE is a square,  and  .

If two lines are perpendicular, then product of their slopes is equal to -1.

Let slope of EB and CD be m.

So, 

 


Hence, slope of CD = slope of EB = 


ANSWER: D)   BC  , CD =  , DE , EB = 

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Jun 27th, 2015

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