Equilateral triangle in a plane
43397
Linear algebra - find all possible positions of the third corner?
130639
Find the maximum area possible of equilateral triangle that inside the given square
119111
How does this equality on vertices in the complex plane imply they are vertices of an equilateral triangle?
106485
Olympiad Geometry Problem
88889
Find equation of a plane that passes through point and contains the intersection line of 2 other planes
134652
Prove that the perpendicular bisectors of the sides of a triangle meet at a point
82056
Quadrilateral problem with midpoints of diagonals
148147
Three circles having centres on the three sides of a triangle
36225
How do I create an equilateral tetrahedron?
85860
Pascal's triangle in tikz
130517
$ABCD$ is a square and $AEB$ is an equilateral triangle. Find $\angle DEC$.
35698
Given vectors $u,v, i$, find vector $w$ such that $i$ is incenter of triangle $[u,v,w]$
129935
Coloring problem with equilateral triangles
111903
An inequality for sides of a triangle
22017
Parametric equations for the plane through origin parallel to two vectors
26222
how can I find the Side length Two squares inside an equilateral Triangle?
68090
Can we find incentre of a triangle by using equation of lines?