mscroggs.co.uk
mscroggs.co.uk

subscribe

Puzzles

Guess the diagonal

Calculate the length of the diagonal CG.

Show answer & extension

If you enjoyed this puzzle, check out Sunday Afternoon Maths II,
puzzles about 2d shapes, or a random puzzle.

Archive

Show me a random puzzle
 Most recent collections 

Advent calendar 2024

Advent calendar 2023

Advent calendar 2022

Advent calendar 2021


List of all puzzles

Tags

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

Archive

Show me a random puzzle
▼ show ▼
© Matthew Scroggs 2012–2025