Finding the area of a triangle if the distances from the centroid to the vertices are $3$, $4$, $5$
6062
How to find area of triangle from its medians
67774
Number of isosceles triangle.
131919
Vertices of equilateral triangle inscribed in the unit circle
18517
Maximum area of isosceles triangle with perimeter 6 cm
46621
Relationship between the side lengths of a tetrahedron and an inscribed tetrahedron with vertices at the centroids
147351
The expected area of a triangle formed by three points randomly chosen from the unit square
73867
Radius of circumscribed circle of triangle as function of the sides
129002
Number of triangles formed by $m$ lines
106141
Find the area ratio between ABC and the hatched triangle.
52122
Find an angle of an isosceles triangle
96686
Determine the area of a regular octagon with vertices on the unit circle
2870
what is the area of the region [ (x,y):0<x , y<1 , 3/4<x+y<3/2 ]?
123465
In triangle $ABC$, $AA_1$, $BB_1$, $CC_1$ divide sides in ratio of $1: 2$ and meet at $M$, $K$, $L$. Find area relation of $KLM$ and $ABC$
33027
Maximum area of a square in a triangle
77576
Using the triangle inequalities to prove a bound in the complex plane
35629
Trisect a quadrilateral into a $9$-grid; the middle has $1/9$ the area
111603
Derive the centroid of an area from a limiting procedure