Difference between revisions of "Circle Command"
From GeoGebra Manual
m (Text replace - "<div class="box info"> 48px|left This page is part of the official manual for print and pdf. For structural reasons normal users can't edit this page. If you found any errors on this page please contact ) |
|||
Line 1: | Line 1: | ||
− | <noinclude>{{Manual Page|version=4. | + | <noinclude>{{Manual Page|version=4.2}}</noinclude> |
{{command|conic}} | {{command|conic}} | ||
;Circle[ <Point M>, <Number r> ]:Yields a circle with center ''M'' and radius ''r''. | ;Circle[ <Point M>, <Number r> ]:Yields a circle with center ''M'' and radius ''r''. |
Revision as of 22:04, 9 March 2013
- Circle[ <Point M>, <Number r> ]
- Yields a circle with center M and radius r.
- Circle[ <Point M>, <Segment> ]
- Yields a circle with center M and radius equal to the length of the given segment.
- Circle[ <Point M>, <Point A> ]
- Yields a circle with center M through point A.
- Circle[ <Point A>, <Point B>, <Point C> ]
- Yields a circle through the given points A, B and C.
- Note: See also Compass, Circle with Center through Point, Circle with Center and Radius, and Circle through Three Points tools.
Following text is about a feature that is supported only in GeoGebra 5.0.
Note: From GeoGebra 5, this command will work in 3D with 3D Points as well |
Comments
Tips[edit]
Use circles to fix the distance between two objects[edit]
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.