Mathematics Educators
Hagen von Eitzen's user avatar
Hagen von Eitzen's user avatar
Hagen von Eitzen's user avatar
Hagen von Eitzen
  • Member for 8 years, 4 months
  • Last seen more than a month ago
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I did study math and had a knack for it, but I am sooo out of that business now ...

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Given a 3 4 5 triangle, how do you know that it is a right triangle?
Oct 29, 2015
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351
How can a piece of A4 paper be folded in exactly three equal parts?
231
Why is empty set an open set?
175
Can you be 1/12th Cherokee?
134
Is tipping mandatory at Restaurants and Bars in Germany?
109
Connected metric spaces with disjoint open balls

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