# Four-sided 15613

The turret has the shape of a regular four-sided pyramid with a base edge 0.8 m long. The height of the turret is 1.2 m. How many square meters are needed to cover it, counting the extra 10% sheet metal waste?

## Correct answer:

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

**arithmetic**- square root
**solid geometry**- pyramid
- surface area
**planimetrics**- Pythagorean theorem
- right triangle
- area of a shape
- triangle
**basic functions**- percentages

### Units of physical quantities:

### Grade of the word problem:

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