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Finding the Length

Wednesday, 8 October 2025

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To find the length of a line, you can use Pythagoras’ Theorem.

A2=B2+C2A^2 = B^2 + C^2

as:

d=(x2−x1)2+(y2−y2)2d = \sqrt{ (x^2 - x^1)^2 + (y^2 - y^2)^2 }