New posts in Plane Geometry

Connecting a compact subset by a simple curve

Six points on an ellipse

Geometric construction of the fourth intersection points of two conics

Is $\arcsin(1/4) / \pi$ irrational?

Geometry of Level sets of elliptic polynomials in two real variables

Finding a not too slim triangulation with prescribed vertices on $\mathbb R^2$

Triangle angle bisectors, trisectors, quadrisectors,

Packing rectangles: Does rotation ever help?

Do two new special points in any triangle exist?

Visual proof of convergence for Steiner's symmetrization