Formula for sides of a triangle where the Perimeter equals to the Area
111292
Find all triangles of which perimeter and area are numerically equal
45366
How to calculate the area of a 3D triangle?
156948
Equation of a rectangle
140625
What is the area of a polygon with n equal length sides?
35629
Trisect a quadrilateral into a $9$-grid; the middle has $1/9$ the area
85184
Maximize area of a triangle with fixed perimeter
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 $ABC$
101476
If $A$, $B$ and $C$ are the angles of a triangle then find the value of $\Delta$
93170
Find the side of an equilateral triangle given only the distance of an arbitrary point to its vertices
35589
Exact area using limits and Riemann sum
118551
Simplest way to calculate the intersect area of two rectangles
70402
Geometry Triangle Question 3
2870
what is the area of the region [ (x,y):0<x , y<1 , 3/4<x+y<3/2 ]?
104701
Find the functions for which the area of the triangle made by tangent at a point is independent of the point
128661
Geometry question on right triangle
53499
Equilateral triangle inscribed in a triangle
71591
Formula for completing the square?