Formula for finding area for all polygons
10515
Area of an irregular polygon
134823
How to find the area of any irregular shape?
78464
Finding out the area of a triangle if the coordinates of the three vertices are given
109182
Expressing the area of the cross section of a cylinder
141231
Area of a image region
109010
Calculating projected area of polygons with field calculator in ArcMap?
79983
Finding the exact area of a circle?
135848
Polygons not appearing when creating shapefile based on criteria using GDAL and Python (area calculated properly)
153172
How to generate a list of values related to angles of a polygon?
124373
Area of a parallelogram, vertices $(-1,-1), (4,1), (5,3), (10,5)$.
133567
Area of a triangle in terms of areas of certain subtriangles
78894
Product of square of distances from vertices of a polygon of radius a
101339
Area of a cyclic polygon maximum when it is a regular polygon
25053
How do I find the area of this region?
81328
How to find the dimensions of a rectangle given a) the area and the diagonal or b) the perimeter and the diagonal
113019
How to re-calculate area, perim, p2a,width and length in QGIS?
10224
Is there an equation to describe regular polygons?