Sunday, August 26, 2012

Construction of Circle

To construct a circle with a given radius and touching the two given intersecting lines
  1. Draw two lines AB and AC at some angle say α. 
  2. Draw bisector of ∠BAC. 
  3. Construct a line parallel to line AB at a distance R (radius of the circle to be constructed( Let this line intersect the angle bisector at point O. 
  4. Draw a circle with center O and Radius R. This is the required circle.
This is a Java Applet created using GeoGebra from - it looks like you don't have Java installed, please go to

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