tag:blogger.com,1999:blog-6933544261975483399.post274949024647956259..comments2024-03-26T19:10:02.918-07:00Comments on Go Geometry (Problem Solutions): Problem 507: Triangle, Interior Point, 120 Degrees, Congruence, AngleAntonio Gutierrezhttp://www.blogger.com/profile/04521650748152459860noreply@blogger.comBlogger2125tag:blogger.com,1999:blog-6933544261975483399.post-49355045233507647002010-08-24T12:51:16.044-07:002010-08-24T12:51:16.044-07:00Draw CG = AC, G on extension of AD
=> ▲DGC iso...Draw CG = AC, G on extension of AD<br />=> ▲DGC isoceles, => ▲BGD equilateral<br />=> B, D, C are on circle with center G<br />=> x = 1/2 arc BD, BGD = arc BD, => x = 1/2 BGD<br />=> x = 30°c .t . e. onoreply@blogger.comtag:blogger.com,1999:blog-6933544261975483399.post-79760533622046969392010-08-21T13:24:39.751-07:002010-08-21T13:24:39.751-07:00x=30x=30Anonymoushttps://www.blogger.com/profile/00563767428787089998noreply@blogger.com