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 Topic: 3 points
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 A circle through 3 points 2014-12-04 From priyanka:Find the equation of a circle passing through the origin and intercept on axes are a and b.Answered by Penny Nom. A circle through three points 2014-02-22 From Mohammad:Find the equation of circle passing through the origin and the points (a,b) and (b,a). Find the length of chords that it cuts off from the axes.Answered by Chris Fisher. 3 equidistant points on a circle 2010-06-21 From Brian:We have to line up 3 pins on a lifting bridle to be 120 degrees apart from each other to connect into a lifting assembly. I know pi*d. I know straight lines connecting these points to each other will result in an equilateral triangle. How does one find these points without using a protractor? There must be a formula (formulae) to work this out mathematically. r = 10.5 inches pi*d = 65.9736 3 segments( arcs) = 21.9912 which is the distance along the circumference that the points are from each other.Answered by Penny Nom.

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