Tetrahedron 46451

Calculate the surface of a regular tetrahedron if the length of the wall height v = 1 dm.

Correct answer:

S =  2.3094 dm2

Step-by-step explanation:

n=4 v=1 dm  v2 + (a/2)2 = a2 v2 = 3/4 a2  a=v 4/3=1 4/31.1547 dm  S1=2a v=21.1547 10.5774 dm2  S=n S1=4 0.5774=2.3094 dm2



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