Length of each edge of a regular tetrahedron is 1 cm. It volume is :

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Length of each edge of a regular tetrahedron is 1 cm. It volume is :

Options:

A . $$\frac{{\sqrt 3 }}{{12}}{\text{ }}c{m^3}$$

B . $$\frac{1}{4}\sqrt 3 {\text{ }}c{m^3}$$

C . $$\frac{{\sqrt 2 }}{6}{\text{ }}c{m^3}$$

D . $$\frac{1}{{12}}\sqrt 2 {\text{ }}c{m^3}$$

Answer: Option D

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