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Advent calendar 2018
23 December
All 2018 advent puzzles
~
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Today's number is the area of the largest area rectangle with perimeter 46 and whose sides are all integer length.
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The largest rectangle will be 11 by 12 and have area
132
.
Tags:
2d shapes
,
geometry
,
area
,
perimeter
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Most recent collections
Advent calendar 2025
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List of all puzzles
Tags
medians
axes
prime numbers
people maths
star numbers
pascal's triangle
geometric mean
remainders
even numbers
geometry
division
factors
binary
cubics
2d shapes
averages
menace
time
probability
area
squares
multiplication
products
colouring
quadratics
graphs
wordplay
advent
prime factors
consecutive integers
pentagons
sequences
unit fractions
integration
proportion
routes
cards
perfect numbers
books
geometric means
crossnumbers
sums
tournaments
calculus
games
numbers
coins
matrices
sets
differentiation
ellipses
regular shapes
gerrymandering
doubling
chocolate
means
cryptic crossnumbers
scales
dice
median
triangles
square numbers
shape
logic
speed
balancing
sport
perimeter
polygons
number
spheres
xor
complex numbers
3d shapes
grids
money
odd numbers
indices
fractions
bases
square grids
multiples
arrows
chalkdust crossnumber
lines
neighbours
the only crossnumber
hexagons
coordinates
combinatorics
multiplaction squares
angles
digits
range
rugby
factorials
addition
albgebra
tiling
determinants
circles
triangle numbers
planes
integers
clocks
ave
digital products
surds
decahedra
cryptic clues
trigonometry
christmas
polynomials
square roots
sum to infinity
palindromes
taxicab geometry
dodecagons
irreducible numbers
symmetry
volume
partitions
digital clocks
percentages
chess
powers
tangents
elections
consecutive numbers
cube numbers
lists
dates
parabolas
quadrilaterals
probabilty
folding tube maps
dominos
shapes
crosswords
functions
rectangles
algebra
mean
expansions
floors
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