A nice formula for area of the triangle
70697
Direct formula for area of a triangle formed by three lines, given their equations in the cartesian plane.
112135
Area formula for cyclic pentagon?
40596
Proving a relation between inradius ,circumradius and exradii in a triangle
33027
Maximum area of a square in a triangle
111603
Derive the centroid of an area from a limiting procedure
111292
Find all triangles of which perimeter and area are numerically equal
126799
Calculating the area of a polygon with equal sides inscribed in a circle with radius r.
135907
Area within a given number of standard deviations from given mean
73867
Radius of circumscribed circle of triangle as function of the sides
115677
Prove the equality of circle's areas
2870
what is the area of the region [ (x,y):0<x , y<1 , 3/4<x+y<3/2 ]?
41550
Find the Area of the ellipse
114795
Closed form for the area of a convex cyclic n-gon, given the set of edge lengths
104701
Find the functions for which the area of the triangle made by tangent at a point is independent of the point
95067
Area of the Limiting Polygon
122008
Calculate the area of the crescent
147351
The expected area of a triangle formed by three points randomly chosen from the unit square