guess the thing (incenter config)
IA_1 \cap (ABC) where A1 is the antipode
sharkydevil
chicken feet + ineq
IMO 2006/1
non playable character
nine point circle
left his sperm on an airplane
k12byda5h
480 degrees
IMO 2023/6
excircle touchpoint under rootbc invert
mixti touchpoint
KQH, KFM tangent
IMO 2015/3
point K on (ABC) with AKH = 90
queue point
8.5k trophies
noctnight
4 liner 40M + isogonal conjugate bait
usamo 2024/5
E,F incircle tangency points -> two other impt points on this line
iran lemma
a kid and a man intersect at L1,L2
USAMO 2017/3
point on (BHC), lies on the reflection of the symmedian over BC
humpty
would rather sleep in the imo than sweep the imo
liang chenxi
circle-circle tangency on an important line through the centroid
2011 G4
goes through A,B,C,I but not the point with the same name
feuerbach hyperbola
shared orthocenter + circumcircle
2022 G7
lim jeck 2011/6 kill (the point name)
antisteiner point
sends more gifs than text
nora
5 points cyclic iff 5 points cyclic
EGMO 2021/6
Pick a point T on (ABC) -> can construct triangle with the same incircle as ABC
Poncelet’s porism
3 incircles, two exsimilicenters, XIY = 90
2017 G7
line through midpoint of altitude with a similar name as mister wat
schwatt line
“Are you a woman”
helio
Equilateral hexagon -> show two lines parallel
USEMO 2021/3