# Tetrahedral prism

The height of a regular tetrahedral prism is three times greater than the length of the base edge. Calculate the length of the base edge if you know that the prism volume is 2187 cm

^{3}.## Correct answer:

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

**algebra**- equation
- expression of a variable from the formula
**arithmetic**- cube root
- third power
**solid geometry**- prism

### Units of physical quantities:

### Grade of the word problem:

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