# Coverage 71484

The tower's roof is a regular 4-sided pyramid with a height of 4m and an edge of the base of 6m. 25% of the roof covering was found to be damaged. How many square meters of coverage are needed to repair the roof?

### 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
**numbers**- fractions

#### Units of physical quantities:

#### Grade of the word problem:

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