Anne F

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RT @Sanchovies: Nahhh fam mans barber is pythagoras. That cut so perfect im tempted to solve for x. It's right-angled but still acute http:…

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On This Day in Math - February 16

<b>Whenever you can, count.</b><p>~Sir Francis Galton<p>The 47th day of the year; 47 is a Thabit number, named after the Iraqi mathematician Thâbit ibn Kurrah …

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Beyond Pythagoras

By the construction, $AO=BO=CO=OX,$ giving four isosceles triangles $BOX,COX,AOC, AOB.$ For convenience let $\angle BAC=\alpha,$ $\angle AOY=\tau,$ …


Barber: what you need? Him: you know the Pythagoras theorem? Barber: say no more.