初三相似三角形函数关系问题在三角形ABC中,角C=90°,P为AB上一点,且点P不与点A重合,过点P作PE垂直AB交AC边与点E,点E不与点C重合,若AB=10,AC=8,设AP的长为X ,四边形PECB的周长为Y,求Y与X间的函数关系
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![初三相似三角形函数关系问题在三角形ABC中,角C=90°,P为AB上一点,且点P不与点A重合,过点P作PE垂直AB交AC边与点E,点E不与点C重合,若AB=10,AC=8,设AP的长为X ,四边形PECB的周长为Y,求Y与X间的函数关系](/uploads/image/z/11540100-12-0.jpg?t=%E5%88%9D%E4%B8%89%E7%9B%B8%E4%BC%BC%E4%B8%89%E8%A7%92%E5%BD%A2%E5%87%BD%E6%95%B0%E5%85%B3%E7%B3%BB%E9%97%AE%E9%A2%98%E5%9C%A8%E4%B8%89%E8%A7%92%E5%BD%A2ABC%E4%B8%AD%2C%E8%A7%92C%3D90%C2%B0%2CP%E4%B8%BAAB%E4%B8%8A%E4%B8%80%E7%82%B9%2C%E4%B8%94%E7%82%B9P%E4%B8%8D%E4%B8%8E%E7%82%B9A%E9%87%8D%E5%90%88%2C%E8%BF%87%E7%82%B9P%E4%BD%9CPE%E5%9E%82%E7%9B%B4AB%E4%BA%A4AC%E8%BE%B9%E4%B8%8E%E7%82%B9E%2C%E7%82%B9E%E4%B8%8D%E4%B8%8E%E7%82%B9C%E9%87%8D%E5%90%88%2C%E8%8B%A5AB%3D10%2CAC%3D8%2C%E8%AE%BEAP%E7%9A%84%E9%95%BF%E4%B8%BAX+%2C%E5%9B%9B%E8%BE%B9%E5%BD%A2PECB%E7%9A%84%E5%91%A8%E9%95%BF%E4%B8%BAY%2C%E6%B1%82Y%E4%B8%8EX%E9%97%B4%E7%9A%84%E5%87%BD%E6%95%B0%E5%85%B3%E7%B3%BB)
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