New posts in euclidean-geometry

Another conjecture about a circle intrinsically bound to any triangle

geometry euclidean-geometry triangles

Area of a cyclic polygon maximum when it is a regular polygon

geometry inequality euclidean-geometry polygons

Polygons with 2 diagonals of fixed length (part two)

inequality euclidean-geometry linear-programming polygons

Find the area of MBNO region below?

geometry euclidean-geometry plane-geometry

Fractional versions of euclidean space?

euclidean-geometry geometric-topology dimension-theory-analysis

Hidden geometrical gems in Euclid's Elements?

geometry euclidean-geometry

Is there a name for the recursive incenter of the contact triangle?

geometry euclidean-geometry triangles recursion

How to construct the foci of an ellipse given both its axes' support lines and two points on the conic

euclidean-geometry conic-sections

Unit diameter pentagons with maximum area

geometry inequality euclidean-geometry combinatorial-geometry area

Find the area of ​the shaded region in the triangle below?

geometry euclidean-geometry plane-geometry

How to cut fried eggs with mathematical elegance and perfection

geometry euclidean-geometry recreational-mathematics geometric-construction

Investigating a $1/2$-dimensional sphere

euclidean-geometry spheres geometric-measure-theory dimension-theory-analysis

How big is my pizza, if I know its slices' sizes?

euclidean-geometry circles

Decomposing the plane into intervals

geometry euclidean-geometry tiling

Construct focii of ellipse given center and four tangent lines

euclidean-geometry conic-sections

Aren't asteroids contradicting Euler's rotation theorem?

geometry euclidean-geometry physics rotations

Calculate the measure of the missing angle without trigonometry

geometry euclidean-geometry plane-geometry angle

Find the area of ​the shaded region. in the triangle $HGE$ below

geometry euclidean-geometry plane-geometry

Uniqueness of a configuration of $7$ points in $\Bbb R^2$ such that, given any $3$, $2$ of them are $1$ unit apart

combinatorics geometry euclidean-geometry plane-geometry combinatorial-geometry

What is the expected area of a polygon whose vertices lie on a circle?

probability euclidean-geometry