Assertion: triangle's center | /r/CapableOf | form orthocentric system.:182
Facets:
Source sentences:
text: Because the internal bisector of an angle is perpendicular to its external bisector, it follows that the center of the incircle together with the three excircle centers form an orthocentric system.:182
text: Because the internal bisector of an angle is perpendicular to its external bisector, it follows that the center of the incircle together with the three excircle centers form an orthocentric system.:182