Chapter 5 – Vector Applications

Activities – Chapter 5

Activity 5a – Vector Form of the Area of a Triangle

This activity develops a simple formula for the area of a triangle when two sides are given in vector form. It has applications to physics with which you may be familiar. You should be familiar with the formulas for the area of a triangle in Activity 4b. Several topics from Units 3, 4 and 5 will also appear in this activity, it is a good review of much of the material up to this point.

Vector Form of Area

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Trigonometry by Mike Weimerskirch and the University of Minnesota Board of Regents is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License, except where otherwise noted.