Lecture no. 21 from the course: Geometry: An Interactive Journey to Mastery
Taught by Professor James Tanton | 28 min | Categories: The Great Courses Plus Online Mathematics Courses
What do we mean when we say “area”? Explore how its definition isn’t quite so straightforward. Then, work out the formula for the area of a triangle and see how to use that formula to derive the area of any other polygon.