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Shaded Octagon
Problem
In the square below, each vertex is joined to the midpoint of the opposite sides and a star shape is formed.
What fraction of the square is shaded?
Problem ID: 298 (17 Dec 2006) Difficulty: 3 Star
In the square below, each vertex is joined to the midpoint of the opposite sides and a star shape is formed.
What fraction of the square is shaded?
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