geometry question triangles
128661
Geometry question on right triangle
129935
Coloring problem with equilateral triangles
17801
Isosceles triangle has the least perimeter among triangles on the same base with same area?
148147
Three circles having centres on the three sides of a triangle
116153
The Notorious Triangle Problem
132402
Find 2nd leg of right triangle with known leg and perimeter
45366
How to calculate the area of a 3D triangle?
33027
Maximum area of a square in a triangle
37744
Prove that given $a,b,c > 0$, it is possible to construct a triangle with sides of length $a,b,c$ if and only if $pa^2+qb^2 > pqc^2$
83034
Triangle inequality square #2
81975
Sequence of triangles with exponentiated sides
78464
Finding out the area of a triangle if the coordinates of the three vertices are given
129002
Number of triangles formed by $m$ lines
53499
Equilateral triangle inscribed in a triangle
41105
Finding the perimeter of a right triangle with area given
96065
Question about sines of angles in an acute triangle
130470
Find the angle ADE of the given triangle.