Crow Flies

IB Maths Studies: Crow Flies

"Thinking about the distance between two points and Pythagoras theorem" Which of the lines in the picture is the longest? How can you tell? Are any of them the same length? How do you know? We can all answer these questions with our instincts, we could even get a ruler out and make some close measurements, but how we can we be sure and answer accurately? If each line was one side of a square where would the other three...


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