3 ms·
Of course, 'useful' and 'brutish' can be stretched a bit. Maths olympiad problem (from right around 5th grade, to boot): Trisect a 36° angle.
by pvg 3y ago
Of course, 'useful' and 'brutish' can be stretched a bit. Maths olympiad problem (from right around 5th grade, to boot):
Trisect a 36° angle.