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 2024

Advent calendar 2023

Advent calendar 2022

Advent calendar 2021


List of all puzzles

Tags

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

Archive

Show me a random puzzle
▼ show ▼
© Matthew Scroggs 2012–2025