Eight congruent semicircles are drawn inside a square of side-length 4. Each semicircle begins at a vertex of the square and ends at a midpoint of an edge of the square.
What is the area of the non-shaded part of the square?
Input note: leave your answer in exact form.
Select one option, then click Submit.
2
3 2
2 8
6
3
Select an option, then submit.
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