mscroggs.co.uk
mscroggs.co.uk

subscribe

Puzzles

Equal areas

Permanent link to this puzzle: mscroggs.co.uk/puzzles/24
An equilateral triangle and a square have the same area. What is the ratio of the perimeter of the triangle to the perimeter of the square?

Show answer & extension

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

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

Archive

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