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 2025

Advent calendar 2024

Advent calendar 2023

Advent calendar 2022


List of all puzzles

Tags

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

Archive

Show me a random puzzle
▼ show ▼
© Matthew Scroggs 2012–2026