Thursday, June 21, 2012

Straight Line - Distance Form

The equation of a straight line passing through (x1,y1) and making an angle θ with the positive direction of x – axis is 
                              (x-x1)/cosθ = (y-y1)/sinθ=r , 
where r is the distance of the point (x,y) on the line from the point (x1,y1).
  This is a Java Applet created using GeoGebra from www.geogebra.org - it looks like you don't have Java installed, please go to www.java.com

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