Geometry Triangles and circles Concept
Nine-point circle
Summary
The nine-point circle of a triangle is the circle through the midpoints of its three sides. It also passes through the three feet of the altitudes and through the midpoints of the segments from the vertices to the orthocentre.
Where this leads
1 page builds on this one.
Further reading
- Web https://en.wikipedia.org/wiki/Nine-point_circle, lead section
About this page
| Tag | 033H8MQRC3 |
|---|---|
| URI | m2://033H8MQRC3 |
| Aliases | feuerbach-circle, euler-circle |
| Kind | concept |
| Writing | W1 stated |
| MSC | 51M04 |
| Specializes | Circle |
| Same as |
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