Olympiad Geometry Problem
110472
Existence of a Pivot Point in Euclidean Geometry
150608
problem on intersecting circles
34334
Combinatorics Problem with symbols and spaces
25068
Subtracting Geometry?
129161
The minimum perimeter and maximum height of a triangle under constraints
126297
A high school Olympiad problem
136290
a mathematical problem on inequalities
53499
Equilateral triangle inscribed in a triangle
38254
Trigonometry Olympiad problem: Evaluate $1\sin 2^{\circ} +2\sin 4^{\circ} + 3\sin 6^{\circ}+\cdots+ 90\sin180^{\circ}$
54794
British Olympiad; Combinatorics Recursion
105781
Least squares problem with constraint on the unit sphere
126543
Combinatorics problem: $n$ people line up to $m$ clubs
148963
The Ellipse Problem - finding an ellipse inside a triangle
132346
a linear algebra multiple choice problem
68882
Path to Combinatorics Problem [$1.11$]
139039
Stars and Bars Combinatorics Problem
123690
Olympiad question on Pigeonhole principle