Welcome to Episode 7 of Season 2: Unlocking Combinatorics and Geometry! This episode focuses on various methods for calculating the area of polygons, particularly triangles. It starts by introducing the familiar base-height formula for triangle area but then presents more advanced theorems, including the use of the semi-perimeter and inradius, Heron's Formula, and the circumradius. Additional theorems are provided for finding the area of a trapezoid and a rhombus. The audio concludes with examples which apply these methods, demonstrating their practical use in competitive mathematics contexts.

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