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The lengths of the sides of triangle $$RST$$ are $$3$$, $$4$$, and $$y$$. Which of the following inequalities specifies those values of $$y$$ for which each angle measure of triangle $$RST$$ is less than $$90°$$?
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· 相关考点
4.3.10 钝角/锐角三角形的判定
4.3.10 钝角/锐角三角形的判定
以上解析由 考满分老师提供。