QUESTION IMAGE
Question
write two expressions for the perimeter of the figure.
note: the figure is not drawn to scale.
(a) use all four side lengths.
perimeter = \\(\square + \square + \square + \square\\)
(b) simplify the expression from part (a).
perimeter = \\(\square\\)
Step1: 确定四边形的四条边长
四边形的四条边长分别为\(5x\)、\(16\)、\(17x\)、\(7\)。
Step2: 写出周长表达式(使用所有四条边)
根据周长的定义,周长是图形所有边长的和,所以周长\( = 5x + 16 + 17x + 7\)。
Step3: 简化表达式
合并同类项,\(5x + 17x = 22x\),\(16 + 7 = 23\),所以简化后的周长表达式为\(22x + 23\)。
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(a) \(5x\)、\(16\)、\(17x\)、\(7\)(顺序可调整,只要包含这四个边长即可)
(b) \(22x + 23\)