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Showing puzzles tagged "polygons".
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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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polygons
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area
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Most recent collections
Advent calendar 2020
Advent calendar 2019
Sunday Afternoon Maths LXVII
Coloured weights
Not Roman numerals
Advent calendar 2018
List of all puzzles
Tags
multiplication
algebra
hexagons
pascal's triangle
irreducible numbers
star numbers
fractions
numbers
triangle numbers
palindromes
digital clocks
logic
rugby
graphs
regular shapes
circles
scales
coins
planes
averages
percentages
doubling
routes
bases
chess
time
triangles
chocolate
tiling
integers
quadratics
volume
geometry
polygons
speed
integration
gerrymandering
area
menace
probability
the only crossnumber
multiples
factorials
proportion
cards
folding tube maps
rectangles
cryptic crossnumbers
sport
square roots
shapes
books
trigonometry
ave
3d shapes
factors
grids
chalkdust crossnumber
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dodecagons
dates
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complex numbers
dice
prime numbers
calculus
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lines
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