47. If A(3, y) is equidistant from points P(8,-3) and Q(7,6), find the – InterviewSolution

1.

47. If A(3, y) is equidistant from points P(8,-3) and Q(7,6), find the vaue of y andICBSE 2014]find the distance AQ

Answer»

AP = AQUsing distance formula -(3-8)2+ (y+3)2= (3-7)2+ (y-6)2

25+y²+6y+9 = 16+y²-12y+36

18y = 52-34

y = 18/18 = 1

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