A Brief History of Science/The Role of Mathematics in Science Homework

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Now, let's move on to another problem.

Let's imagine you want to know how far you will end up from your starting point if you walk forward for 4 meters down the school hallway and then turn and walk right for 3 meters. In other words, we are looking for the length of the red line shown in the image below. How can we find this?

Let's imagine you want to know how far you will end up from your starting point if you walk forward for 4 meters down the school hallway and then turn and walk right for 3 meters. In other words, we are looking for the length of the red line shown in the image below. How can we find this?