mscroggs.co.uk
mscroggs.co.uk

subscribe

Advent calendar 2020

2 December

Carol draws a square with area 62. She then draws the smallest possible circle that this square is contained inside. Next, she draws the smallest possible square that her circle is contained inside. What is the area of her second square?

Show answer

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

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

Archive

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