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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
Advent calendar 2021
Advent calendar 2020
List of all puzzles
Tags
lines
proportion
volume
advent
balancing
area
christmas
taxicab geometry
coins
polynomials
prime numbers
doubling
trigonometry
multiples
triangles
irreducible numbers
number
tiling
symmetry
consecutive numbers
unit fractions
grids
gerrymandering
cards
floors
dice
chess
tournaments
money
sets
crosswords
time
matrices
crossnumber
division
quadratics
range
quadrilaterals
addition
sequences
calculus
palindromes
angles
the only crossnumber
cryptic crossnumbers
complex numbers
sum to infinity
remainders
means
scales
odd numbers
algebra
determinants
surds
square roots
dates
geometric means
folding tube maps
binary
decahedra
probability
fractions
digits
tangents
menace
shapes
mean
shape
ellipses
cube numbers
partitions
circles
routes
coordinates
digital products
polygons
chalkdust crossnumber
colouring
square numbers
sport
rugby
sums
dodecagons
games
differentiation
albgebra
bases
graphs
people maths
perimeter
chocolate
logic
triangle numbers
even numbers
elections
dominos
consecutive integers
wordplay
arrows
factors
integers
planes
factorials
crossnumbers
perfect numbers
cubics
pentagons
2d shapes
3d shapes
pascal's triangle
median
geometry
books
integration
averages
clocks
star numbers
digital clocks
squares
hexagons
spheres
combinatorics
speed
numbers
products
cryptic clues
geometric mean
regular shapes
axes
ave
percentages
rectangles
probabilty
indices
parabolas
expansions
functions
multiplication
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