Mensuration Practice Test 10

Question : 4 of 40

Marks: +1, -0

If the length of each side of a regular
tetrahedron is 12 cm, then the volume of the tetrahedron is:

Solution:

Volume of a tetrahedron =

a^3/{6√2}

(12)^3/{6√2}

{144×6×√2×√2}/{6√2}

144√2 cm^2

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