# House roof

The roof of the house has the shape of a regular quadrangular pyramid with a base edge 17 m. How much m

^{2}is needed to cover the roof if the roof pitch is 57° and we calculate 11% of waste, connections, and overlapping of area roof?## Correct answer:

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

**solid geometry**- pyramid
**planimetrics**- right triangle
- area of a shape
- triangle
**goniometry and trigonometry**- cosine

### Units of physical quantities:

### Grade of the word problem:

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