Skwier (jaamichri)
Appearance
![](http://upload.wikimedia.org/wikipedia/commons/thumb/a/a5/Regular_polygon_4_annotated.svg/200px-Regular_polygon_4_annotated.svg.png)
Ina jaamichri, skwier a regiula kuajrilataral, we miin se iab fuo hiikual said ah fuo hiikual anggl (90-digrii anggl, ar rait anggl). Ikiah aalso difain az a rektanggl ina we tuu hajiesent said ab iikual lent. A skwier wid voertex ABCD uda dinuot ABCD.