弧的度数是弧所对的圆周角的度数还是圆心角的度数
弧的度数是弧所对的圆周角的度数还是圆心角的度数
数学人气:606 ℃时间:2019-10-25 17:13:06
优质解答
弧的度数是弧所对的圆心角的度数!
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