“面积比”用英语怎么说

上海的面积比南京大.Shanghai exceeds Nanjing in size.正的面积比同样周长的正多边形的面积大.The circle has greater area than a regular polygon of the same perimeter.圆的面积比同样周长的正多边形的面积大.The circle has greater area than a regular poiygon of the same per...