New posts in geometry

Archimedes' derivation of the spherical cap area formula

geometry

Calculate rotated rectangle size from known bounding box coordinates

math geometry rotation bounding-box

On The Construction Of An Ellipse

algebra-precalculus geometry conic-sections geometric-construction

Several rectangles cover the unit square. Can I find a disjoint set of them whose area is at least $1/4$?

combinatorics geometry combinatorial-geometry

Challenging Problem on Area of Trapezium [closed]

geometry

Find the area of overlap of two triangles

geometry euclidean-geometry analytic-geometry computational-geometry

Statements in Euclidean geometry that appear to be true but aren't

geometry trigonometry education

Incircle of polygon tangent to a point

geometry euclidean-geometry polygons

How does this proof of the regular dodecahedron's existence fail?

geometry euclidean-geometry fake-proofs polyhedra platonic-solids

Question about the encyclopedia of triangle centers

geometry euclidean-geometry triangles

Recurrence formula for division of a sphere by n great circles

geometry discrete-mathematics recurrence-relations

Given a helix, consider the curve of it's tangent. Express the curvature and torsion of such a curve.

geometry differential-geometry

Construction of a right triangle

geometry geometric-construction

$ABCD$ is a square. $M$ and $N$ are points on $AB $ and $BC$, respectively such that $\angle MDN=45^\circ$...

geometry triangles

Collision detection of huge number of circles

algorithm collision-detection geometry

3D coordinates on a sphere to Latitude and Longitude

math geometry coordinates latitude-longitude

Ellipse like on sphere

geometry

Polygon Triangulation with Holes

graphics geometry direct3d triangulation cgal

The three unsolved problems of antiquity

geometry math-history

Parametrizing the square spiral

geometry arithmetic parametrization visualization