Triangle Angles (Driehoeken en graden) | ICT Education | Scoop.it

"A great resource to show the angles inside a triangle. Move the corners to see how the angles change for different types of triangles..."

http://ictmagic.wikispaces.com/Maths

 

Tool: http://www.e-beam.com/fileadmin/user_upload/misc_images/Flash_Tools/triangle.swf


Via André Manssen