tag:blogger.com,1999:blog-2893315201359920156.post3845206347756993694..comments2023-10-28T20:35:12.856+05:30Comments on Best Brain Teasers: Hard Count Number Triangles Puzzlelaveshhttp://www.blogger.com/profile/03731980294342074301noreply@blogger.comBlogger9125tag:blogger.com,1999:blog-2893315201359920156.post-60241324996263382492014-02-08T21:27:41.838+05:302014-02-08T21:27:41.838+05:3064
64<br />Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-2893315201359920156.post-65274707584084376682013-11-22T21:41:04.498+05:302013-11-22T21:41:04.498+05:308 trangles 5 cquares 2 kites i dimiond to be exate...8 trangles 5 cquares 2 kites i dimiond to be exatedAnonymousnoreply@blogger.comtag:blogger.com,1999:blog-2893315201359920156.post-6934161344317554042013-11-16T04:53:18.838+05:302013-11-16T04:53:18.838+05:30There are 9 straight lines such that every line me...There are 9 straight lines such that every line meets every other line, so you will expect 9 choose 3 triangles. However, 2*5 choose 3 of these triplets of lines will meet at one point. Therefore, the total number is 9 choose 3 - 2* 5 choose 3 = 64 triangles.GoKuhttps://www.blogger.com/profile/05674743004147477362noreply@blogger.comtag:blogger.com,1999:blog-2893315201359920156.post-66920735832951137732013-11-15T20:35:37.942+05:302013-11-15T20:35:37.942+05:305252Anonymoushttps://www.blogger.com/profile/04654399814315825780noreply@blogger.comtag:blogger.com,1999:blog-2893315201359920156.post-26256570080727036742013-11-15T18:21:31.001+05:302013-11-15T18:21:31.001+05:306464Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-2893315201359920156.post-6180976625085103982013-11-15T11:34:45.690+05:302013-11-15T11:34:45.690+05:303636Ranjanhttps://www.blogger.com/profile/06641735933927032415noreply@blogger.comtag:blogger.com,1999:blog-2893315201359920156.post-14373475770045648662013-11-15T10:17:40.466+05:302013-11-15T10:17:40.466+05:30This comment has been removed by the author.Ranjanhttps://www.blogger.com/profile/06641735933927032415noreply@blogger.comtag:blogger.com,1999:blog-2893315201359920156.post-47346944697435059982013-11-15T07:05:48.326+05:302013-11-15T07:05:48.326+05:30Umm....Umm....Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-2893315201359920156.post-34425280927401920602013-11-15T01:04:03.774+05:302013-11-15T01:04:03.774+05:303636Anonymoushttps://www.blogger.com/profile/11192391405582439121noreply@blogger.com