mathschallenge.net http://mathschallenge.net A website dedicated to the puzzling world of mathematics en mathschallenge.net tangerine@mathschallenge.net (Colin Hughes) Thu, 24 Dec 2009 13:17:03 GMT 60 mathschallenge.net http://mathschallenge.net/images/mathschallenge_logo.png 80 80 http://mathschallenge.net Irrationality Of Pihttp://mathschallenge.net/rss_display.php?titleid=irrationality_of_pi Problem ID: 372 (24 Dec 2009) / Difficulty: 4 star http://mathschallenge.net/index.php?section=problems&show=true&titleid=irrationality_of_pi Thu, 24 Dec 2009 00:00:00 GMT Square And Round Plugshttp://mathschallenge.net/rss_display.php?titleid=square_and_round_plugs Problem ID: 371 (24 Dec 2009) / Difficulty: 2 star http://mathschallenge.net/index.php?section=problems&show=true&titleid=square_and_round_plugs Thu, 24 Dec 2009 00:00:00 GMT Algebraic Cosinehttp://mathschallenge.net/rss_display.php?titleid=algebraic_cosine Problem ID: 370 (30 Nov 2009) / Difficulty: 4 star http://mathschallenge.net/index.php?section=problems&show=true&titleid=algebraic_cosine Mon, 30 Nov 2009 00:00:00 GMT Inscribed Squarehttp://mathschallenge.net/rss_display.php?titleid=inscribed_square Problem ID: 369 (30 Nov 2009) / Difficulty: 2 star http://mathschallenge.net/index.php?section=problems&show=true&titleid=inscribed_square Mon, 30 Nov 2009 00:00:00 GMT Infinite Circleshttp://mathschallenge.net/rss_display.php?titleid=infinite_circles Problem ID: 368 (15 Nov 2009) / Difficulty: 4 star http://mathschallenge.net/index.php?section=problems&show=true&titleid=infinite_circles Sun, 15 Nov 2009 00:00:00 GMT 3x3 Magic Squarehttp://mathschallenge.net/rss_display.php?titleid=3x3_magic_square Problem ID: 367 (15 Nov 2009) / Difficulty: 2 star http://mathschallenge.net/index.php?section=problems&show=true&titleid=3x3_magic_square Sun, 15 Nov 2009 00:00:00 GMT Composite Fibonacci Termshttp://mathschallenge.net/rss_display.php?titleid=composite_fibonacci_terms Problem ID: 366 (03 Nov 2009) / Difficulty: 4 star http://mathschallenge.net/index.php?section=problems&show=true&titleid=composite_fibonacci_terms Tue, 03 Nov 2009 00:00:00 GMT Inscribed Circle In Right Angled Trianglehttp://mathschallenge.net/rss_display.php?titleid=inscribed_circle_in_right_angled_triangle Problem ID: 365 (03 Nov 2009) / Difficulty: 2 star http://mathschallenge.net/index.php?section=problems&show=true&titleid=inscribed_circle_in_right_angled_triangle Tue, 03 Nov 2009 00:00:00 GMT Bouncing Ballhttp://mathschallenge.net/rss_display.php?titleid=bouncing_ball Problem ID: 364 (28 Oct 2009) / Difficulty: 3 star http://mathschallenge.net/index.php?section=problems&show=true&titleid=bouncing_ball Wed, 28 Oct 2009 00:00:00 GMT Snapped Polehttp://mathschallenge.net/rss_display.php?titleid=snapped_pole Problem ID: 363 (28 Oct 2009) / Difficulty: 2 star http://mathschallenge.net/index.php?section=problems&show=true&titleid=snapped_pole Wed, 28 Oct 2009 00:00:00 GMT 15 Degree Trianglehttp://mathschallenge.net/rss_display.php?titleid=15_degree_triangle Problem ID: 362 (11 Oct 2009) / Difficulty: 4 star http://mathschallenge.net/index.php?section=problems&show=true&titleid=15_degree_triangle Sun, 11 Oct 2009 00:00:00 GMT