# Difference between revisions of "2016 AMC 12A Problems/Problem 9"

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## Revision as of 14:52, 4 February 2016

## Problem 9

The five small shaded squares inside this unit square are congruent and have disjoint interiors. The midpoint of each side of the middle square coincides with one of the vertices of the other four small squares as shown. The common side length is , where and are positive integers. What is ?