mscroggs.co.uk
mscroggs.co.uk

subscribe

Advent calendar 2015

1 December

What is area of the largest area rectangle which will fit in a circle of radius 10?

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

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

Archive

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