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第123章 平行线的应用(1 / 2)

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第 123 章 平行线的应用

自掌握了两直线平行的知识并成功应用于测量河流宽度后,李明、陈华、赵婷、孙宇和吴悠在京城学府中的名声愈发响亮。他们的才能不仅在同学间传颂,也引起了学府高层的关注。

这一天,学府的院长将他们召集到了一间宽敞的书房。

院长微笑着看着众人,说道:“孩子们,听闻你们运用所学巧妙地测量了河流宽度,实乃学府之骄傲。近日,城中有一要事,需借你们的智慧相助。”

李明拱手问道:“院长,不知是何事?学生们定当竭尽全力。”

院长捋了捋胡须,说道:“城中东街要修建一座新的牌楼,工匠们在确定地基位置时遇到了难题。需要准确测量出一块三角形土地的角度和边长,你们可有法子?”

陈华自信地说道:“院长,我们所学的知识或许能派上用场。”

赵婷接着说:“但此事需从长计议,还得仔细勘察现场才行。”

众人纷纷点头,院长说道:“那好,你们即刻前往东街。”

来到东街,只见工匠们正围着那块三角形土地愁眉不展。

孙宇上前说道:“各位师傅,我们是学府派来相助的。”

一位年长的工匠说道:“小公子们,这块地的角度和边长可把我们难住了,不知如何下手啊。”

吴悠说道:“师傅莫急,我们先观察一番。”

众人开始仔细查看地形,李明说道:“我们可以先假设一条边与地面平行,然后通过测量其他边与这条边的夹角来计算。”

陈华补充道:“对,再结合边长的比例关系,应该能得出结果。”

工匠们听着他们的讨论,眼中燃起了希望。

赵婷说道:“师傅们,还请帮忙准备一些测量工具。”

工匠们迅速拿来了尺子、绳子和量角器等工具。

李明和孙宇开始测量角度,陈华和吴悠则负责记录数据,赵婷在一旁计算。

“这个角度是 45 度。”李明喊道。

“这边长约 10 丈。”孙宇接着说。

赵婷边算边说道:“按照两直线平行的性质和定理,这个三角形的其他数据应该是……”

经过一番紧张的测量和计算,众人终于得出了结果。

吴悠兴奋地说道:“师傅们,我们算出来了!”

工匠们围过来,急切地问道:“怎么样?”

陈华将结果告诉了工匠们,工匠们面露喜色:“太好了,小公子们真是聪慧过人!”

解决了牌楼地基的问题,众人准备返回学府。途中,他们看到一家商铺正在重新装修。

商铺老板看到他们,连忙招呼道:“几位公子,能否帮我看看这店铺的布局是否合理?”

李明说道:“老板但说无妨。”

老板说道:“我想在店内摆放货架,但不知如何摆放才能使空间利用最大化,且看起来整齐美观。”

孙宇环顾四周,说道:“我们可以利用两直线平行的原理,让货架与墙壁平行摆放。”

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