mscroggs.co.uk
mscroggs.co.uk

subscribe

Puzzles

Equal lengths

The picture below shows two copies of the same rectangle with red and blue lines. The blue line visits the midpoint of the opposite side. The lengths shown in red and blue are of equal length.
What is the ratio of the sides of the rectangle?

Show answer

If you enjoyed this puzzle, check out Sunday Afternoon Maths LXIV,
puzzles about rectangles, or a random puzzle.

Archive

Show me a random puzzle
 Most recent collections 

Advent calendar 2023

Advent calendar 2022

Advent calendar 2021

Advent calendar 2020


List of all puzzles

Tags

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

Archive

Show me a random puzzle
▼ show ▼
© Matthew Scroggs 2012–2024