A Brief History of Science/The Role of Mathematics in Science Homework
Page 6 of 7
According to the Pythagorean Theorem, if we know the lengths of two sides of a right triangle, then we can calculate the length of the third side. We know the lengths of the yellow sides. We want to find the length of the red side; let's use the Pythagorean Theorem to find it.
We just found that you ended up 5 meters from where you started. Later, when we discuss position, distance, and displacement, you will see that we just found the magnitude of your displacement over the entire trip.