QUESTION IMAGE
Question
in the diagram below, \\(\overline{no}\\) is parallel to \\(\overline{kl}\\). if \\(lo = 15\\), \\(no = 24\\), and \\(kl = 44\\), find the length of \\(\overline{mo}\\). figures are not necessarily drawn to scale. state your answer in simplest radical form, if necessary.
Step1: 确定相似三角形
因为\(\overline{NO}\parallel\overline{KL}\),且\(\angle MO N=\angle ML K = 90^{\circ}\),\(\angle M\)为公共角,所以\(\triangle MNO\sim\triangle MKL\)(AA相似判定)。
Step2: 建立比例关系
根据相似三角形的性质,对应边成比例,即\(\frac{MO}{ML}=\frac{NO}{KL}\)。设\(MO = x\),则\(ML=MO + LO=x + 15\),已知\(NO = 24\),\(KL = 44\),代入比例式得\(\frac{x}{x + 15}=\frac{24}{44}\)。
Step3: 解方程
交叉相乘得\(44x=24(x + 15)\),展开括号\(44x=24x+360\),移项\(44x-24x=360\),即\(20x = 360\),解得\(x=\frac{360}{20}=18\)。
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\(MO = 18\)