# Iglu - cone tent

The cone-shaped tent is 3 m high, the diameter of its base is 3.2 m. a) The tent is made of two layers of material. How many m

^{2}of fabric is needed for production (including flooring) if 20% needs to be added to the minimum amount due to cutting waste? b) How many m^{3}of air is in the tent?### 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
- right triangle
- area of a shape
**basic functions**- percentages

#### Units of physical quantities:

#### Grade of the word problem:

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