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