Answers

2014-05-30T14:20:27+05:30
Distance between two point (x1,y1) & (x2,y2) is {(x2-x1)^2 + (y2-y1)^2}^1/2
4 = {(2-2)^2 + (y+6)^2}^1/2
4 = y + 6
y = -2
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