Q1 of 157 Page 724

Find the distance between the points:

A(9, 3) and B(15, 11)

In this question, we have to use the distance formula to find the distance between two points which is given by, say for points P(x1,x2) and Q(y1,y2) then


PQ = √(x2 – x1)2 + (y2 – y1)2



AB = √{(15 – 9)2 + (11 – 3)2}


= √{(6)2 + (8)2}


= √{36 + 64}


= √100


∴ AB = 10 units.


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