How would I say two triangles are congruent?
348
How to look up a symbol or identify a letter from a math alphabet or other character?
366
Can every triangle be divided into five isosceles triangles?
94091
In $ \triangle ABC$ show that $ 1 \lt \cos A + \cos B + \cos C \le \frac 32$
151038
How to prove (A v B), (A → C), (B → D) therefore (C v D)
117727
How to create a shape, in a form of two basic shapes partially substracted?
69173
How to describe two different objects?
40596
Proving a relation between inradius ,circumradius and exradii in a triangle
103172
showing certain vertices form an equilateral triangle
73907
Condition for 3 complex numbers to represent an equilateral triangle
120148
prove this properties of triangles trigonometric question
132402
Find 2nd leg of right triangle with known leg and perimeter
79777
An olympiad Geometry problem involving triangles
48339
A triangle with vertices on the sides of a square, with one at a midpoint, cannot be equilateral
110723
Catalan numbers and triangulation
158308
Proving that if $a,b$ are even, then $\gcd(a,b) = 2 \gcd(a/2, b/2)$
122832
Proof for SSS Congruence?
120444
Trigonometric Triangle Equality