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 Girls’ Angle Bulletin, Volume 10, Number 4
 Math Intuition Test
 Girls’ Angle Bulletin, Volume 10, Number 3
 Happy New Year 2017!
 Girls’ Angle Bulletin, Volume 10, Number 2
 Chebyshev Polynomials of the First Kind
 Potatoes are made of ducks
 Girls’ Angle Bulletin, Volume 10, Number 1
 Measure Up – A Crossword Puzzle Raffle
 Virtual Reality!
 Girls’ Angle Bulletin, Volume 9, Number 6
 Girls’ Angle Bulletin, Volume 9, Number 5
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Tag Archives: proofs
Potatoes are made of ducks
Recently at the Girls’ Angle Club, we mentioned that from a contradiction, one can prove anything. One of our members, Barry Allen (pseudonym!), challenged us to prove that potatoes are made of ducks given that potatoes are made of wood. So … Continue reading
Postulates, Proofs, and Obviousness
This is a response to the following question posted by fiftyducklings as a comment to Fraction Satisfaction: In geometry, we learned things like “segment addition postulate” and “area addition postulate,” which were pretty intuitive statements. But then I looked at … Continue reading