# Church roof 2

The roof has the shape of a rotating cone shell with a base diameter of 6 m and a height of 2.5 m. How much money (CZK) will cost the roof cover sheet if 1 m

^{2}of metal sheet costs 152 CZK and if you need 15% extra for joints, overlays, and waste?### Correct answer:

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

**algebra**- expression of a variable from the formula
**solid geometry**- cone
- surface area
**planimetrics**- Pythagorean theorem
**basic functions**- percentages

#### Units of physical quantities:

#### Grade of the word problem:

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