mscroggs.co.uk
mscroggs.co.uk

subscribe

Puzzles

Dodexagon

In the diagram, B, A, C, D, E, F, G, H, I, J, K and L are the vertices of a regular dodecagon and B, A, M, N, O and P are the vertices of a regular hexagon.
Show that A, M and E lie on a straight line.

Show answer & extension

Archive

Show me a random puzzle
 Most recent collections 

Sunday Afternoon Maths LXVII

Coloured weights
Not Roman numerals

Advent calendar 2018

Sunday Afternoon Maths LXVI

Cryptic crossnumber #2

Sunday Afternoon Maths LXV

Cryptic crossnumber #1
Breaking Chocolate
Square and cube endings

List of all puzzles

Tags

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

Archive

Show me a random puzzle
▼ show ▼
© Matthew Scroggs 2019