The coordinates of $$\(P\)$$ are $$\((-3,8)\)$$ and the coordinates of $$\(Q\)$$ are $$\((9,-2)\)$$. Calculate the length $$\(P Q\)$$. .............................................
Exam No：0580_s20_qp_43 Year：2020 Question No：9(b)(i)
Answer:
\(15.6\) or \(15.62 \ldots\)
Knowledge points:
E3.3 Calculate the length and the coordinates of the midpoint of a straight line from the coordinates of its end points.
Solution:
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