How to Master Motion: A Comprehensive Guide to Understanding the Distance Formula in Real-World Problems
TL;DR: Punch two locations into GPS and watch it draw a straight line — that line’s length is exactly what the distance formula gives you. Take the gap between the x-coordinates, square it, do the same for the y-coordinates, add them, and take the square root. It is the Pythagorean theorem in disguise, and it […]