Comments:Circle Command

From GeoGebra Manual
Revision as of 01:26, 18 October 2009 by K Voss (talk | contribs) (added Italic font for objects)
Jump to: navigation, search

Manual:Circle Command


Use circles to fix the distance between two objects

Circles are a great way to make the distance between two objects constant: If there are two points A and B on two lines g (point A) and h (point B) where A can be moved and B should have the constant distance r to A you can define B as the intersection between the line h and the circle around A with the radius r. As a circle intersects a line at two points (in case it's not tangetial or passing by) you have to hide & ignore the second intersection.

An illustration of the described technique to fix the distance between two points A and B1
© 2021 International GeoGebra Institute