mscroggs.co.uk
mscroggs.co.uk

subscribe

Puzzles

2 December

Today's number is the area of the largest dodecagon that it's possible to fit inside a circle with area \(\displaystyle\frac{172\pi}3\).

Show answer

Archive

Show me a random puzzle
 Most recent collections 

Advent calendar 2020

Advent calendar 2019

Sunday Afternoon Maths LXVII

Coloured weights
Not Roman numerals

Advent calendar 2018


List of all puzzles

Tags

sums partitions integers routes products unit fractions mean digital clocks circles multiplication perimeter chocolate numbers arrows proportion spheres regular shapes crosswords graphs volume quadrilaterals surds ave factors palindromes probabilty gerrymandering area cryptic crossnumbers chalkdust crossnumber remainders crossnumber floors 3d shapes prime numbers hexagons tiling range coins sport books cube numbers factorials sequences means lines the only crossnumber odd numbers speed quadratics sum to infinity logic indices cards people maths calculus planes christmas advent squares scales averages triangles dominos cryptic clues algebra addition digits clocks taxicab geometry colouring multiples chess grids division median dice complex numbers square numbers symmetry doubling bases wordplay angles crossnumbers perfect numbers menace dates number star numbers 2d shapes time elections polygons balancing irreducible numbers fractions games differentiation shapes coordinates geometry ellipses dodecagons money triangle numbers rugby rectangles probability trigonometry pascal's triangle functions parabolas integration percentages square roots combinatorics folding tube maps shape

Archive

Show me a random puzzle
▼ show ▼
© Matthew Scroggs 2012–2021