题库搜索>问题求解PS-13495
A certain right triangle has sides of length x, y, and z, where x < y < z. If the area of this triangular region is 1, which of the following indicates all of the possible values of y ?
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S=1 y可能的值?
S=1/2*X*Y=1 XY=2
Z肯定是斜边：
x<y
Y的一个临界值是=x
所以y的平方>2
Y>sqrt2
发呆的夜之亡魂
Y比X大，而且XY=2，那么说明Y最小的时候就是X最大的时候——》也就是相等，也就是根号2，然后Y其实可以无限大，但是同时X也要无限小
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2018-08-14 21:58:45
发呆的夜之亡魂
Y比X大，而且XY=2，那么说明Y最小的时候就是X最大的时候——》也就是相等，也就是根号2，然后Y其实可以无限大，但是同时X也要无限小
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2018-08-14 21:58:40
默默
当XY都为根2时，两个相等，所以一个一定大于根2
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2018-05-07 14:37:17
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