Tetrahedron Area

Geometry Level 2

A regular tetrahedron is a solid shape with four equilateral triangle faces. If a certain regular tetrahedron has a side length of 3 centimeters, what is its volume, to the nearest tenth of a cubic centimeter?

3.2 2.6 5.1 3.4

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1 solution

Garam O'Brien
Jan 18, 2019

3 3 6 S q r t [ 2 ] \frac{3^3}{6*Sqrt[2]}

9 2 S q r t [ 2 ] \frac{9}{2*Sqrt[2]}

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