excircle
Số nhiều: excircles
Từ liên quan
incirclecircletrianglegeometryexcenterradiustangenttangencyvertexsideanglebisectorexteriorinteriorperimeterareacentroidorthocenterincentercircumcentercircumcircleplanepointlinesegmentarcchorddiametercircumferencepolygontrigonometrytheoremproofaxiompostulatecongruencesimilarityaltitudemedianangle bisectortangent linecurvaturecoordinateaxisoriginvectorscalarsymmetryreflectionrotationtranslationdilationellipseparabolahyperbolapiradiandegreesectorannulussecantperpendicularparallelcollinearcoplanar