mscroggs.co.uk
mscroggs.co.uk

subscribe

Puzzles

Squared circle

Permanent link to this puzzle: mscroggs.co.uk/puzzles/108
Each side of a square has a circle drawn on it as diameter. The square is also inscribed in a fifth circle as shown.
Find the ratio of the total area of the shaded crescents to the area of the square.

Show answer

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

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

Archive

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