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If the length of each side of a regular tetrahedron is 12 cm, then the volume of the tetrahedron is
Answer & Solution
Correct Answer:
Option
A
$$\eqalign{
& {\text{Volume of tetrahedron}} = \frac{{{a^3}}}{{6\sqrt 2 }} \cr
& = \frac{{{{12}^3}}}{{6\sqrt 2 }} \cr
& = \frac{{1728}}{{6\sqrt 2 }} \cr
& = 144\sqrt 2 {\text{ c}}{{\text{m}}^3} \cr} $$
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