tag:blogger.com,1999:blog-6036292391531985155.post386043578402895199..comments2013-05-04T16:51:09.448-07:00Comments on ||: cogitate and repeat :||: Gr 06 Deriving a Formula for the Area of a CircleBrian MacNevinhttps://plus.google.com/103411884211699628313noreply@blogger.comBlogger1125tag:blogger.com,1999:blog-6036292391531985155.post-32873675569901542652013-05-04T16:49:26.872-07:002013-05-04T16:49:26.872-07:00In retrospect, next year I think I would introduce...In retrospect, next year I think I would introduce this with a 1-cm or a 1-foot square as the radius square. It is a more direct thing to see that you would then need about 3.14 radius squares to fill the space. Then that 3.14 becomes the multiplier for any scale factor for larger circlesBrian MacNevinhttp://www.blogger.com/profile/08681741352068858569noreply@blogger.com