Asked by todd
A,B,C are collinear points and AB=BC. If A is the point (4,5) and B is the point (1,-1) find the coordinates of C.
Answers
Answered by
Steve
B is the midpoint of AC. So, its coordinates are the average of the endpoints. So, if C=(x,y) we have
(x+4)/2 = 1
(y+5)/2 = -1
Now just solve for x and y.
(x+4)/2 = 1
(y+5)/2 = -1
Now just solve for x and y.
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