Semicircle
From Biocrawler, the free encyclopedia.
A semicircle is a two-dimensional geometric shape that forms half of a circle. Being half of a circle's 360°, the arc of a semicircle will always measure 180°.
A semicircle is a two-dimensional geometric shape that forms half of a circle. Being half of a circle's 360°, the arc of a semicircle will always measure 180°.
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Semicircle (http://en.wikipedia.org/wiki/Semicircle)
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