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Advent calendar 2018
2 December
All 2018 advent puzzles
~
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Today's number is the area of the largest dodecagon that it's possible to fit inside a circle with area \(\displaystyle\frac{172\pi}3\).
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The largest dodecagon will be regular. It's area will be
172
.
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prime numbers
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2d shapes
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volume
factorials
colouring
probabilty
surds
christmas
geometric means
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grids
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dodecagons
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multiplication
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division
perimeter
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books
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shape
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crossnumbers
wordplay
remainders
squares
scales
trigonometry
floors
balancing
combinatorics
symmetry
cube numbers
cryptic crossnumbers
quadrilaterals
circles
folding tube maps
expansions
routes
means
ave
doubling
probability
integers
lines
differentiation
sums
dates
averages
albgebra
3d shapes
percentages
neighbours
sport
sets
square numbers
even numbers
cryptic clues
proportion
shapes
unit fractions
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crossnumber
powers
calculus
cubics
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regular shapes
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indices
rugby
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