Right tetrahedron.

Author:Lamberto Lamberti

If B,C,D denote the areas of the three orthogonal faces of a right tetrahedron with orthogonal edge lengths a,b,c, and if A denotes the area of the "hypotenuse face", we have

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從邊長辨認四邊形
အခြေခံ data အခေါ်အဝေါ်များ
畫三角形
Forming Similar Triangles

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