QUESTION IMAGE
Question
find the value of x.
Step1: 计算三角形第三个内角
三角形内角和为\(180^\circ\),已知两个角分别为\(55^\circ\)和\(85^\circ\),则第三个内角为\(180 - 55 - 85 = 40^\circ\)。
Step2: 计算\(x\)的值
\(x\)与三角形的第三个内角互补,即\(x = 180 - 40 = 140\)。
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\(x = 140\)