Tetraeder 

 

Tetraeder 

> restart:
 

> Tetraeder([1,2,1],2,P);
 

 

 

Overflateareal = `+`(`*`(`/`(32, 3), `*`(`^`(3, `/`(1, 2))))), Volum = `+`(`*`(`/`(64, 27), `*`(`^`(3, `/`(1, 2))))), Sidekant = `+`(`*`(`/`(4, 3), `*`(`^`(2, `/`(1, 2)), `*`(`^`(3, `/`(1, 2))))))
R = 2, S = [1, 2, 1], a = `+`(`*`(`/`(1, 9), `*`(`^`(6, `/`(1, 2)), `*`(`^`(2, `/`(1, 2)), `*`(`^`(3, `/`(1, 2))))))), b = `+`(`*`(`/`(2, 3), `*`(`^`(3, `/`(1, 2)))))
Plot_2d