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Tim has a collection of square tiles of various sizes, each of which has an etched
quarter circle with radius equal to the side length of the tile. Tim arranges eight
tiles as shown. If the two smallest tiles each have side length 10 cm, what is the
length of the resulting spiral formed by the tiles’ etchings? Express your answer
in terms of π.

 Jul 18, 2022
 #1
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270pi

also this is from mathcount target 8

here  https://www.mathcounts.org/sites/default/files/2021-01/2021%20Chapter%20Competiton%20Solutions.pdf

 Jul 18, 2022
edited by pogfrog123456789  Jul 18, 2022

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