# Four-sided 7833

The tower has the shape of a regular four-sided pyramid with a base edge of 0.8 m. The height of the tower is 1.2 meters. How many square meters of sheet metal is needed for coverage if we count eight percent for joints and overlap?

### Correct answer:

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

**solid geometry**- pyramid
- surface area
**planimetrics**- Pythagorean theorem
- right triangle
- triangle
- square
**basic functions**- percentages

#### Units of physical quantities:

#### Grade of the word problem:

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