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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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.
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.
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.
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.
如下图所示,三角形ABC是一个等边三角形,点D是边AB的中点。DE垂直于BC,三角形BDE的面积是5平方厘米。请计算正三角形ABC的面积。
如图示,三角形ABC是等边三角形,D是AB的中点。DE垂直BC,三角形BDE面积为5cm²。请算出三角形ABC的面积。
如下图所示,三角形是等边三角形。D点为AB边的中点,DE垂直于BC,三角形BDE面积为五平方厘米,求解三角形ABC的面积。