半径为R的圆内接正三角形的边长是_______ .面积是_______ .
21-22九年级上·江苏无锡·阶段练习 查看更多[2]
江苏省无锡市江阴市璜塘中学2021-2022学年九年级上学期12月月考数学试题(已下线)九年级数学上学期【第二次月考卷】(测试范围:九上+九下前三章)-2022-2023学年九年级数学考试满分全攻略(苏科版)
更新时间:2022-01-03 08:52:11
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