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There are three circular pieces of paper on the table, two with radius 5 cm and one with radius 8 cm. any two pieces of paper touches exactly at one point. if we want to cover these three pieces of paper completely by another large circular piece of paper with radius r cm and r is an integer, what is the mininum possible value of r?

 Aug 15, 2022
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The minimum possible value of r is 11.

 Oct 7, 2022

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