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ZX-5FBE671798Bluebook试题10 · 第 13 题
Bluebook试题10 · 原库模块 3 · Q13 原库参考解析
Triangles \( PQR \) and \( LMN \) are graphed in the xy-plane. Triangle \( PQR \) has vertices \( P \), \( Q \), and \( R \) at \( \left(4,\ 5\right) \), \( \left(4,\ 7\right) \), and \( \left(6,\ 5\right) \), respectively. Triangle \( LMN \) has vertices \( L \), \( M \), and \( N \) at \( \left(4,\ 5\right) \), \( \left(4,\ 7+k\right) \) , and \( \left(6+k,\ 5\right) \), respectively, where k is a positive constant. If the measure of ∠\( Q \) is t°, what is the measure of ∠\( N \)?
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