Tetrahedron - surface

Calculate the surface area of a regular tetrahedron whose height is 9 cm.

Your answer:

cm2


Help us improve! If you spot a mistake, please let let us know. Thank you!







Tips for related online calculators
See also our trigonometric triangle calculator.

You need to know the following knowledge to solve this word math problem:


 
We encourage you to watch this tutorial video on this math problem: video1

Related math problems and questions: