First Forward Into Logo 2: Polygons

4852 /www/nrich/html/content/id/4852/ 1 2011-02-01T00:00:01 <?xml version="1.0" encoding="UTF-8"?> <mdoxml version="1.0"><a href="https://nrich.maths.org/8045">First Forward Into Logo</a> Previous: <a href="http://nrich.maths.org/public/viewer.php?obj_id=1532&part=">FF1</a> This article focuses on drawing regular polygons; equilateral triangles, squares, pentagons, hexagons etc. It's very easy. Here is a reminder of some of the PRIMITIVES (the commands) needed to start drawing: FD forward BK backward LT left RT right PU pen up PD pen down HT hide turtle ST show turtle CS clear screen CT clear text Here is an example of the use of REPEAT. Try it! REPEAT 5 [FD 30 RT 72] Now try REPEAT 3 and REPEAT 4 etc and vary the distances and the angles. Away you go! Next: <a href="http://nrich.maths.org/4862">FF3</a> </mdoxml> <?xml version="1.0" encoding="UTF-8"?> <mdoxml version="1.0"> Programs used in this series were written using MSWLogo and you can download this excellent free software from the internet at <a href="http://www.softronix.com/logo.html">http://www.softronix.com/logo.html</a> . This series complements the LOGO Challenges that can also be found on the site. </mdoxml> <?xml version="1.0" encoding="UTF-8"?> <mdoxml version="1.0"> To draw a regular polygon you will need to work out the exterior angle, but that is simple because to end up facing the same way as at the start you must turn a total of 360 degrees. </mdoxml> 2 3 0 1 1 1 0 First Forward Into Logo 2: Polygons This is the second in a twelve part introduction to Logo for beginners. In this part you learn to draw polygons. 2D Geometry, Shape and Space Regular polygons Information and Communications Technology Logo Using, Applying and Reasoning about Mathematics Practical Activity