New posts in Euclidean Geometry

How to prove the concurrence of three lines?

No continuous injective functions from $\mathbb{R}^2$ to $\mathbb{R}$

Find the length of AB in the given question.

If the line at infinity is a secant line of a conic then the conic is a hyperbola?

Tetrahedron circumradius in high dimensions

Show that $\angle PAB = \angle CAQ$

How to prove that the points $E, F, G$ are collinear

Sangaku: to prove one of the intangents is parallel to $BC$

Point $M$ lies inside $\triangle ABC$, $\angle MAC = 10^\circ$ and $\angle MCA = 30^\circ$. Find $(180^\circ - \angle BMC)$

A geometry question...