# Hexagon 8167

How many dm² of organic glass is needed to produce 50 washers in the shape of a regular hexagon? The side is 8 cm long.

### 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
**planimetrics**- Pythagorean theorem
- right triangle
- polygon
- area of a shape
- triangle
- diagonal

#### Units of physical quantities:

#### Grade of the word problem:

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