A point $P$ is at $(0,0)$ and $Q$ is at $(8,0)$. The midpoint of $PQ$ has coordinates:

A point $P$ is at $(0,0)$ and $Q$ is at $(8,0)$. The midpoint of $PQ$ has coordinates:
  1. $(0,4)$
  2. $(4,0)$
  3. $(8,0)$
  4. $(4,4)$

Solution

The midpoint of a segment along the $x$-axis from $(0,0)$ to $(8,0)$ is $(4,0)$.

Asked in: IMO

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