Triangles

In triangle $$\triangle PQR$$, two medians $$PS$$ and $$RT$$ intersect at point $$G$$, forming a right angle. If the le...

If a triangle $$ \Delta ABC $$ is inscribed in a circle (with vertices $$ A $$, $$ B $$, and $$ C $$ on the circumferen...

In a triangle PQR, if $$ \angle P + \angle R = 130^\circ $$ and $$ \angle P + 3\angle Q = 170^\circ $$, then $$ \angle ...