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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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Archive
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▼ show ▼
▲ hide ▲
Most recent collections
Advent calendar 2023
Advent calendar 2022
Advent calendar 2021
Advent calendar 2020
List of all puzzles
Tags
factors
parabolas
multiplication
combinatorics
odd numbers
coordinates
bases
axes
cards
polynomials
money
binary
chalkdust crossnumber
menace
sport
angles
time
chess
partitions
geometric means
crossnumber
cryptic clues
algebra
taxicab geometry
digital products
quadrilaterals
wordplay
multiples
complex numbers
scales
palindromes
books
cryptic crossnumbers
tiling
games
dodecagons
shape
gerrymandering
colouring
digital clocks
floors
triangles
doubling
tangents
addition
circles
prime numbers
hexagons
mean
remainders
expansions
christmas
integration
proportion
ellipses
calculus
balancing
surds
tournaments
albgebra
speed
functions
lines
regular shapes
people maths
folding tube maps
trigonometry
consecutive integers
quadratics
triangle numbers
consecutive numbers
rugby
logic
chocolate
integers
decahedra
elections
matrices
graphs
planes
spheres
symmetry
averages
sum to infinity
division
geometric mean
polygons
indices
sums
dice
perfect numbers
shapes
area
sets
pascal's triangle
digits
squares
range
crosswords
determinants
dates
square numbers
differentiation
probabilty
sequences
probability
arrows
3d shapes
percentages
square roots
the only crossnumber
fractions
perimeter
ave
dominos
grids
rectangles
clocks
median
volume
irreducible numbers
cubics
routes
unit fractions
coins
2d shapes
cube numbers
numbers
products
factorials
pentagons
advent
star numbers
crossnumbers
even numbers
number
means
geometry
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