Top network posts

• 207 Identification of a quadrilateral as a trapezoid, rectangle, or square
• 55 True or false? $x^2\ne x\implies x\ne 1$
• 38 Is it legal to buy property for $1 in Monopoly when other players are in prison?
• 29 Proving $\sqrt 3$ is irrational.
• 25 Interpreting the Cayley-Hamilton theorem
• 21 Proof of a formula involving Euler's totient function: $\varphi (mn) = \varphi (m) \varphi (n) \cdot \frac{d}{\varphi (d)}$
• 19 How to respond to publishers when they ask for rules?
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