Lectures related to Exterior angle theorem

Explores angles at the center of a circle and the power of a point relative to a circle, emphasizing their importance in geometry and CAD software.

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

Explores the construction of a regular pentagon using Euclid's method and discusses historical constructions by Euclid and Ptolemy.

Explores exterior angles in triangles, inscribed angles in circles, and a point's power relative to a circle.

Covers examples of determining the area of a triangle and finding equations.

Explores elementary operations in geometry, including addition, subtraction, multiplication, and division of segments and angles.

Discusses isometric triangles, their properties, conditions for determination, and distance between points.

Introduces the 5th postulate in Euclidean geometry and explores non-Euclidean geometries and their implications.