Mathematics, 04.04.2020 07:34 maskoffvon

A square napkin is folded in half on the diagonal and placed on the diameter of a round plate
(see diagram below).
If the folded napkin spans the plate and the plate has an 18-inch diameter, what is the area of
the space on the plate that is NOT covered by the napkin? Leave your answer in terms of .

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A square napkin is folded in half on the diagonal and placed on the diameter of a round plate
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