【求助】英文版本比赛题目，看不懂，最好是有步骤的，别太抽象的写～～谢谢～～
麻烦写上步骤：
问题：
1。 In a right triangle, the angle bisector of an acute angle divides the opposite side into segments of length 1 and 2. What is the length of the bisector???
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because the hypotenuse is larger than the right angle side, by the bisector theorem, let the hypotenuse is 2x, then the right side is x, by pythagorean, [latex]x^2+3^2=(2x)^2[/latex], so bisector is [latex]\sqrt{x^2+1^2}=2[/latex]
so x = 1, bisector = 2的平方根
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