Difference between revisions of "Nine point circle"

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−	~~Also known as '''Euler's circle''' or '''Feuerbach's circle''', as its name introduces itself that the nine point~~ [[circle]] goes through nine [[point]]s, which are a given [[triangle]] <math>\triangle ABC</math>'s feet of [[altitude]] dropped from three [[vertices]] <math>A,B</math>, and <math>C</math>, usually denoted as <math>H_A,H_B,H_C</math>, and [[midpoint]]s of three [[side]]s, as <math>M_A,M_B,M_C</math>, and three [[Euler point]]s <math>E_A,E_B,E_C</math>.	+	#REDIRECT[[Nine-point circle]]