3 particles A,B and C are situated at the vertices of an equilateral triangle ABC of side d at t=0 .
10724
Case of the 'mice problem' for $n=3$
47378
draw $\triangle ABC$ in which $AB=5.5$cm, $\angle C =40^{\circ}$ and $BC-AC=2.5$cm
106485
Olympiad Geometry Problem
33173
What is the probability that the center of the circle is contained within a triangle formed by choosing three random points on the circumference?
131736
Proving a triangle with different edge colors exists in a graph.
77547
Find integers $a,b,c,d$ such that
89493
Prove that circumcentre of $ABH,BCH,CAH$ are the vertices of a triangle congruent to $ABC$
81003
Given 5 arbitrary points in the plane from which no 3 are collinear, prove that you can always choose 3 that are vertices of obtuse triangle.
124763
Distinguishing identical particles
79777
An olympiad Geometry problem involving triangles
19443
Drawing a triangle
134652
Prove that the perpendicular bisectors of the sides of a triangle meet at a point
157660
proof $a$ ,$b$ and $c$ can be sides of a triangle
128661
Geometry question on right triangle
23916
Does 3-partite graph with at least n+1 edges per vertex have a triangle?
130517
$ABCD$ is a square and $AEB$ is an equilateral triangle. Find $\angle DEC$.
52918
Inside an equilateral triangle $ABC$,an arbitrary point $P$ is taken from which the perpendiculars $PD,PE$ and $PF$ are dropped onto the sides...