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The chord of an angle is the length of the chord between two points on a unit circle separated by that central angle. We can calculate the length of any chord if we know the angle measure and the length of the radius. Most often, the chord length is needed in order to properly construct and mark a very common technique in flanged connections. When this is meant that the chord, which is located between the centre of adjacent holes. Knowing this parameter, you can not only make a correct drawing, in which in the future will be made flanges, and subsequently verify the accuracy of their manufacture.
