Stadium (geometry)

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Stadium geometry.svg
A common stadium-shaped plastic basket

A stadium is a geometric shape constructed of a rectangle with semi-circles at a pair of opposite sides.[1] An alternate name for this two-dimensional shape is a discorectangle.[2]

The shape is used for athletics and horse racing tracks.


The perimeter of a stadium is and the area is [3]

(In these formulas represents the length of the straight sides and the radius of the semicircles.)

See also


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