The roof
The roof of the tower has the shape of a regular quadrangular pyramid, the base edge of which is 11 m long and the side wall of the animal with the base an angle of 57°. Calculate how much roofing we need to cover the entire roof, if we count on 15% waste.
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
- right triangle
- area of a shape
- triangle
- basic functions
- percentages
- goniometry and trigonometry
- cosine
Units of physical quantities:
Grade of the word problem:
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