九年级2班计划在劳动实践基地内种植蔬菜,班长买回来8米长的围栏,准备围成一边靠墙(墙足够长)的菜园,为了让菜园面积尽可能大,同学们提出了围成矩形、等腰三角形(底边靠墙)、半圆形这三种方案,最佳方案是_________ .
更新时间:2024-05-26 14:17:42
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