Selasa, 14 September 2010

18th Canadian Mathematical Olympiad Problems 1986

02.30 Cool Math Games No comments

18th Canadian Mathematical Olympiad Problems 19861.  The triangle ABC has angle B = 90o. The point D is taken on the ray AC, the other side of C from A, such that CD = AB. ∠CBD = 30o. Find AC/CD. 2.  Three

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