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Advent calendar 2015
5 December
All 2015 advent puzzles
~
More information
How many different triangles are there with a perimeter of 100 and each side having an integer length?
(different = not rotations or reflections)
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208
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triangles
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2d shapes
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xor
decahedra
shapes
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ave
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axes
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consecutive numbers
coordinates
2d shapes
christmas
prime numbers
bases
cryptic clues
sum to infinity
elections
people maths
dates
perimeter
regular shapes
taxicab geometry
median
angles
integration
factorials
cryptic crossnumbers
rugby
books
polynomials
fractions
geometric mean
digits
wordplay
quadratics
3d shapes
algebra
menace
arrows
tangents
probabilty
graphs
money
odd numbers
speed
perfect numbers
sets
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multiplaction squares
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even numbers
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