请翻译 As shown in the following diagram,Triangle ABC is a regular triangle,and Point D is the midpoint on Side AB.DE is perpendicular to BC,and the area of Triangle BDE is five square centimeters.Now please calculate the area of Triangle ABC.
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解答
如下图所示,三角形ABC是一个普通的三角形,D是AB的中点,DE 垂直于BC,三角形BDE的面积是5厘米,求三角形ABC的面积.
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