Definitions
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun That circle which passes through the
feet of thealtitudes of a giventriangle .
Etymologies
from Wiktionary, Creative Commons Attribution/Share-Alike License
So called because the circle passes through nine points of interest: the feet of the three altitudes, the centers of the three sides, and the midpoints of the segments which join the triangle's vertices with its orthocenter.
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