Write the condition the (a,0),(0,b) and (x,y) are collinear.
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slope of every line joined by 2 points should be same
(b-0)/(0-a) =(y-b) /x=y/(x-a)
(b-0)/(0-a) =(y-b) /x=y/(x-a)
Swiftie14:
Show that the points A(a,a) ,B(-2,2),C(-1,-2) and D(3,-1) are the vertices of a square ABCD.also find the length of the diagonal.
what's the answer for this one?
here slope of parallel sides should be equal
No wait i got the question wrong!
2-a/-2-a=(-1+2)/(3+1)
prove that the points A(2,3) , B(-2,2).C(-1,-2) and D(3,-1) are the vertices of the square ABCD. also find the length of the diagonal.
this one?
i need the steps
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