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    How to find the distance between two points using Pythagoras' Theorem??

    If you have a right-angled triangle then, you can use Pythagoras's Theorem.

    This theory states that if you have the horizontal distance, a, and the vertical distance, b, between points A and B then, the distance AB, c, is simply:

    (a^2 + b^2)^(1/2) = AB = c

    This formula is more commonly written in the form

    a^2 + b^2 = c^2

    Say one point is (2,6) and the second point is (5,10) and you’re trying to calculate the distance between the points,
    You find the distance between he two X coordinates (5-2=3) and then the two Y coordinates (10-6=4)
    You then square the two distances (4^2 + 3^2 = 25)
    And then square root the answer = 5
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Updated: October 17, 2017

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