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