consider a square of side length $x$, find the area of the region which contains the points which are closer to its centre than the sides.
105551
Probablility of a dart landing closer to the center than the edge of a square dartboard?
67514
Formal Proof that area of a rectangle is $ab$
35629
Trisect a quadrilateral into a $9$-grid; the middle has $1/9$ the area
140625
What is the area of a polygon with n equal length sides?
133514
What is a radius on a square grid?
76901
Find the volume of a cone whose length of its side is $R$
155680
Center of mass of 2D region
97473
Prove that: area of triangle $S_{ABC}=p \cdot R$, where p is half perimeter of triangle $DEF$
99005
Triangle forming probability for area
41105
Finding the perimeter of a right triangle with area given
21745
Proof of Heron's Formula for the area of a triangle
71457
The volume of the region enclosed by $x=y^3$, $x=0$, $y=2$
54028
How do I calculate the area of a 2d polygon?
79983
Finding the exact area of a circle?
82056
Quadrilateral problem with midpoints of diagonals
101339
Area of a cyclic polygon maximum when it is a regular polygon
133567
Area of a triangle in terms of areas of certain subtriangles