What's the angle between the red lines? pic.twitter.com/IXK5GfvM0N
— Will Feavyour (@NextLevelMaths) April 3, 2015
Sunday, June 7, 2015
479: Dihedral Angle
Saturday, June 6, 2015
478: Salinon Areas
The Salinon was first introduced in the Book of Lemmas, a work attributed to Archimedes. http://t.co/crVrwtxeb8
— Cliff Pickover (@pickover) June 6, 2015Thursday, June 4, 2015
477: How Many Knots?
from NCTM:
How many knots will form if you pull the ends of the string in opposite directions?
How many knots will form if you pull the ends of the string in opposite directions?
Tuesday, June 2, 2015
476: Squares and Cubes
How is this problem
related to this one from a few days back?
related to this one from a few days back?
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| Is any square number times four another square number? |
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