Coordinate Geometry
Midpoint of two points
Average each coordinate separately. No square root is involved.
The Formula
midpoint = ((x1 + x2) / 2, (y1 + y2) / 2)
Average each coordinate separately. No square root is involved.
| Symbol | Meaning | Unit | Notes |
|---|---|---|---|
| Mx | Midpoint x | units | Average of the two horizontal coordinates. |
| My | Midpoint y | units | Average of the two vertical coordinates. |
What Each Symbol Means
Mxunits
Midpoint x
Average of the two horizontal coordinates.
Myunits
Midpoint y
Average of the two vertical coordinates.
See It Worked With Real Numbers
A formula on its own does not tell you which number goes where. The how to calculate the distance between two points page applies this equation to a concrete case, shows every intermediate step, and names the mistakes that produce a wrong answer even when the algebra is right.
Where This Formula Appears
This equation is the working core of How To Calculate The Distance Between Two Points, filed under Math. Every number the guide produces comes from substituting into this one line.