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Advent calendar 2022

14 December

This puzzle was part of the 2022 Advent calendar.
All 2022 advent puzzles ~ More information
Holly draws a line of connected regular pentagons like this:
She continues the pattern until she has drawn 204 pentagons. The perimeter of each pentagon is 5. What is the perimeter of her line of pentagons?

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Tags: pentagons

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