# Tetrahedral pyramid

It is given a regular tetrahedral pyramid with a base edge of 6 cm and a height of pyramid 10 cm. Calculate the length of its side edges.

### Correct answer:

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

**algebra**- expression of a variable from the formula
**solid geometry**- pyramid
- space diagonal
**planimetrics**- Pythagorean theorem
- right triangle
- triangle
- quadrilateral

#### Units of physical quantities:

#### Grade of the word problem:

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