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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 2023
Advent calendar 2022
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List of all puzzles
Tags
sums
matrices
surds
perfect numbers
lines
money
chess
numbers
albgebra
floors
planes
sum to infinity
cube numbers
complex numbers
digital clocks
symmetry
colouring
circles
consecutive integers
books
ellipses
taxicab geometry
chocolate
star numbers
people maths
cards
shape
cryptic crossnumbers
parabolas
tournaments
wordplay
probabilty
proportion
shapes
median
scales
coordinates
binary
prime numbers
range
coins
expansions
clocks
percentages
doubling
irreducible numbers
spheres
differentiation
area
balancing
geometry
perimeter
factors
sport
christmas
routes
dodecagons
geometric means
polygons
mean
crossnumbers
remainders
quadrilaterals
tangents
trigonometry
consecutive numbers
crosswords
advent
3d shapes
quadratics
palindromes
logic
number
graphs
calculus
indices
triangle numbers
products
arrows
tiling
folding tube maps
polynomials
cubics
pascal's triangle
elections
probability
the only crossnumber
dice
pentagons
multiplication
algebra
squares
axes
rugby
sequences
division
menace
bases
volume
factorials
triangles
unit fractions
geometric mean
2d shapes
chalkdust crossnumber
fractions
time
sets
functions
digital products
dates
combinatorics
multiples
square roots
crossnumber
gerrymandering
games
dominos
square numbers
odd numbers
decahedra
ave
integration
partitions
averages
hexagons
determinants
cryptic clues
digits
angles
regular shapes
rectangles
grids
speed
integers
addition
even numbers
means
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