Right tetrahedron.

Auteur :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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רישום חופשי
Involute of the Circle
Cosine in Cartesian and Polar Coordinates
Graphing 1 + cos(θ) in Polar Coordinates
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Video 2
exterior angles=360
Notes p.6 Example 3
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Entiers
Cerf-Volant
Pythagore ou Théorème de Pythagore
Figures Planes
Surface