Lectures related to Triangle group

Explores the cosine theorem in triangles, analyzing side and angle relationships.

Covers the topology of Riemann surfaces and the concept of triangulation using finitely many triangles.

Explores the Cosine and Sine Laws in triangles, highlighting their applications and potential pitfalls.

Covers the definition and characterization of isosceles triangles and how to recognize them.

Explains the relations in a right-angled triangle involving trigonometric functions.

Explores the challenges of 3D space, focusing on transforming dihedra configurations from convex to concave.