Instructional Video12:08
Khan Academy

Part 2 of Proof of Heron's Formula, Perimeter, Area, and Volume, Geometry

9th - 12th
Picking up where the prior installment in the series on HeronÕs formula ended, Sal provides a more detailed explanation.
Instructional Video11:00
Khan Academy

Part 1 of Proof of Heron's Formula, Perimeter, Area, and Volume, Geometry

9th - 12th
This video is the first installment in a series devoted to exploring Heron's Formula. It is a high-level experience that delves into proof using algebra. It demonstrates a step-by-step process for finding the area of a triangle using...
Instructional Video4:43
Khan Academy

Heron's Formula, Perimeter, Area, and Volume, Geometry

9th - 10th
Introducing the Heronês formula is the main objective of this lecture. Essentially, it describes how to solve a problem. Heron's formula is given, and then a problem is solved. Since the actual explanation of the formula will be given...