# The funnel

The funnel has the shape of an equilateral cone. Calculate the area wetted with water if you pour 3 liters of water into the funnel.

## 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
**arithmetic**- cube root
**solid geometry**- cone
- surface area
**planimetrics**- area of a shape
- triangle

### Units of physical quantities:

### Grade of the word problem:

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