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Advent calendar 2016
17 December
All 2016 advent puzzles
~
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The number of degrees in one internal angle of a regular polygon with 360 sides.
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179
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geometry
,
angles
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Most recent collections
Advent calendar 2025
Advent calendar 2024
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List of all puzzles
Tags
chalkdust crossnumber
graphs
digital clocks
matrices
ellipses
crosswords
colouring
tangents
medians
geometry
cube numbers
neighbours
parabolas
sequences
determinants
angles
volume
digits
games
cards
lines
dates
multiples
dominos
2d shapes
time
symmetry
factorials
menace
number
books
3d shapes
factors
remainders
functions
multiplication
folding tube maps
money
floors
chocolate
surds
probabilty
gerrymandering
shapes
crossnumbers
palindromes
averages
partitions
bases
geometric means
products
consecutive numbers
hexagons
polynomials
sums
clocks
polygons
prime numbers
addition
quadrilaterals
axes
albgebra
proportion
cryptic clues
people maths
star numbers
unit fractions
planes
mean
advent
doubling
routes
division
squares
xor
coordinates
balancing
perfect numbers
ave
median
scales
taxicab geometry
circles
regular shapes
square numbers
area
trigonometry
decahedra
pentagons
even numbers
algebra
cubics
differentiation
pascal's triangle
indices
coins
tiling
dodecagons
logic
complex numbers
binary
combinatorics
sum to infinity
rugby
multiplaction squares
sets
lists
quadratics
triangles
chess
integers
square grids
cryptic crossnumbers
perimeter
elections
arrows
square roots
prime factors
digital products
the only crossnumber
percentages
rectangles
dice
expansions
integration
calculus
odd numbers
consecutive integers
numbers
powers
irreducible numbers
probability
shape
grids
speed
geometric mean
spheres
fractions
range
triangle numbers
tournaments
means
sport
wordplay
christmas
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