Using the same two initial arm lengths an Angle of 90 degrees between them produces a third side which is the square root of 2 times the arm length.

使用最初的相等的两个手臂长度和之间的夹角为90度，可以产生第三条边，而变成等于2的平方根乘以手臂的长度。

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Using the same two initial arm lengths an Angle of 90 degrees between them produces a third side which is the square root of 2 times the arm length.

使用最初的相等的两个手臂长度和之间的夹角为90度，可以产生第三条边，而变成等于2的平方根乘以手臂的长度。

youdao