已知一个直角三角形的直角边的长度,怎么求斜边的长度?
我今年上初二,还没学过这些东西,
人气:240 ℃ 时间:2020-01-31 13:55:34
解答
用勾股定理:斜边长度平方=直角边的长度平方之和
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