# Three altitudes

A triangle with altitudes 4, 5, and 6 cm is given. Calculate the lengths of all medians and all sides in a triangle.

### Correct answer:

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

**statistics**- harmonic mean
**algebra**- equation
- expression of a variable from the formula
**planimetrics**- Pythagorean theorem
- area of a shape
- triangle

#### Units of physical quantities:

#### Grade of the word problem:

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