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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 2024
Advent calendar 2023
Advent calendar 2022
Advent calendar 2021
List of all puzzles
Tags
2d shapes
unit fractions
mean
differentiation
tournaments
quadratics
numbers grids
colouring
even numbers
factors
cards
determinants
geometry
angles
consecutive integers
percentages
christmas
cryptic crossnumbers
triangle numbers
chess
clocks
perimeter
circles
multiplication
factorials
decahedra
integers
quadrilaterals
multiples
chalkdust crossnumber
dice
range
pentagons
partitions
tangents
probabilty
coordinates
digital products
gerrymandering
perfect numbers
tiling
remainders
indices
division
digital clocks
dodecagons
sum to infinity
square roots
sets
sums
dates
digits
area
trigonometry
squares
star numbers
money
rectangles
balancing
geometric means
crosswords
scales
rugby
integration
averages
doubling
ellipses
median
numbers
bases
chocolate
books
symmetry
sequences
odd numbers
parabolas
ave
consecutive numbers
albgebra
games
means
the only crossnumber
proportion
neighbours
crossnumbers
graphs
complex numbers
arrows
axes
wordplay
polynomials
medians
triangles
regular shapes
advent
hexagons
3d shapes
binary
matrices
functions
volume
geometric mean
square numbers
planes
coins
algebra
grids
cryptic clues
routes
shapes
combinatorics
expansions
people maths
taxicab geometry
prime numbers
polygons
cubics
spheres
products
addition
lines
shape
elections
pascal's triangle
floors
irreducible numbers
dominos
palindromes
speed
sport
menace
square grids
folding tube maps
logic
probability
powers
calculus
number
cube numbers
time
surds
fractions
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