Y by Phuc62794
Given an triangle
and a line
in the plane.Let
be reflections of
across the line
, respectively.Let
be the midpoints of
, respectively.Let
be the reflections of
across
, respectively.Prove that the points
lie on a line parallel to
.












This post has been edited 1 time. Last edited by TUAN2k8, May 24, 2025, 1:44 PM
Reason: hello
Reason: hello