边长为7，15，20面积为42的三角形abc中，能否找到点p，使得以p为顶点的三个三角形面积相等？ 知乎 Sketch Coloring Page

边长为7，15，20面积为42的三角形abc中，能否找到点p，使得以p为顶点的三个三角形面积相等？ 知乎 Template

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