# Six-sided 44151

The parasol has the shape of the shell of a regular six-sided pyramid, whose base edge is a=6dm and height v=25cm. How much fabric is needed to make a parasol if we count 10% for joints and waste?

### Correct answer:

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

**solid geometry**- surface area
**planimetrics**- Pythagorean theorem
- right triangle
- polygon
- area of a shape
- triangle

#### Units of physical quantities:

#### Grade of the word problem:

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