6cm长的弦将圆分成1:2的两条弧,则圆的直径为___________ .
18-19九年级下·全国·课后作业 查看更多[2]
(已下线)北师大版2019届九年级下学期数学教材解读 3.4.1 圆周角和圆心角的关系(课时练习)(已下线)24.1.3弧、弦、圆心角(基础练)-2020-2021学年九年级数学上册《十分钟同步课堂专练》(人教版)
更新时间:2019-03-08 21:09:25
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【推荐1】如图,
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【推荐1】如图,
是
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【推荐2】如图,AB是半圆O的直径,C是半圆上的一点,且OC
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