mscroggs
.co.uk
mscroggs
.co.uk
blog
puzzles
academic
talks
contact
subscribe
↓ ☰ ↓
subscribe
Loading image...
Advent calendar 2018
2 December
All 2018 advent puzzles
~
More information
Today's number is the area of the largest dodecagon that it's possible to fit inside a circle with area \(\displaystyle\frac{172\pi}3\).
Show answer
Hide answer
The largest dodecagon will be regular. It's area will be
172
.
Tags:
shapes
,
circles
,
polygons
,
area
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
parabolas
scales
triangles
wordplay
range
quadratics
decahedra
dice
chalkdust crossnumber
expansions
volume
chocolate
arrows
proportion
cryptic crossnumbers
digits
square numbers
multiples
pentagons
digital products
sum to infinity
indices
axes
crossnumbers
christmas
percentages
irreducible numbers
palindromes
lines
ellipses
perfect numbers
addition
square grids
taxicab geometry
chess
polygons
albgebra
binary
tournaments
geometry
cryptic clues
routes
xor
averages
cubics
2d shapes
cube numbers
rectangles
partitions
games
rugby
matrices
surds
unit fractions
advent
symmetry
functions
area
median
prime numbers
medians
triangle numbers
speed
shapes
numbers
multiplaction squares
prime factors
digital clocks
consecutive numbers
determinants
sums
squares
coordinates
graphs
balancing
sequences
people maths
calculus
hexagons
mean
3d shapes
probabilty
multiplication
polynomials
trigonometry
spheres
grids
bases
integers
means
dates
tiling
combinatorics
factorials
perimeter
sets
crosswords
even numbers
floors
angles
clocks
algebra
fractions
tangents
dominos
elections
menace
square roots
neighbours
geometric mean
sport
ave
number
products
powers
coins
colouring
integration
geometric means
lists
regular shapes
the only crossnumber
money
factors
planes
star numbers
logic
complex numbers
odd numbers
cards
doubling
consecutive integers
gerrymandering
books
quadrilaterals
dodecagons
division
time
circles
folding tube maps
probability
shape
differentiation
pascal's triangle
remainders
Archive
Show me a random puzzle
▼ show ▼
▲ hide ▲
Most recent collections
Advent calendar 2025
Advent calendar 2024
Advent calendar 2023
Advent calendar 2022
List of all puzzles
Tags
squares
integers
hexagons
polynomials
shapes
cubics
ave
rectangles
grids
christmas
money
chess
routes
sequences
wordplay
graphs
tiling
consecutive numbers
pentagons
polygons
matrices
books
circles
mean
menace
sport
3d shapes
taxicab geometry
chalkdust crossnumber
division
cards
shape
tangents
area
numbers
people maths
regular shapes
sum to infinity
expansions
spheres
arrows
crossnumbers
probability
albgebra
averages
perfect numbers
perimeter
doubling
colouring
dominos
balancing
sets
multiplication
axes
logic
unit fractions
bases
scales
binary
parabolas
symmetry
geometric mean
number
multiples
coordinates
determinants
medians
proportion
pascal's triangle
chocolate
crosswords
geometry
irreducible numbers
functions
powers
geometric means
dodecagons
floors
differentiation
ellipses
surds
indices
advent
triangle numbers
complex numbers
consecutive integers
prime factors
integration
speed
square numbers
calculus
square grids
even numbers
cryptic clues
tournaments
star numbers
combinatorics
percentages
means
cryptic crossnumbers
coins
time
gerrymandering
digital clocks
lines
median
remainders
clocks
planes
prime numbers
sums
rugby
digital products
odd numbers
quadratics
addition
products
multiplaction squares
triangles
neighbours
square roots
palindromes
decahedra
elections
digits
folding tube maps
factors
factorials
games
xor
partitions
cube numbers
quadrilaterals
algebra
probabilty
range
dates
dice
volume
fractions
the only crossnumber
lists
angles
2d shapes
trigonometry
© Matthew Scroggs 2012–2026