# Rotation

The right triangle with legs 11 cm and 18 cm rotates around the longer leg.

Calculate the volume and surface area of the formed cone.

Calculate the volume and surface area of the formed cone.

### Correct answer:

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See also our trigonometric triangle calculator.

See also our right triangle calculator.

See also our trigonometric triangle calculator.

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

**arithmetic**- square root
- square (second power, quadratic)
**solid geometry**- cone
- surface area
**planimetrics**- right triangle
- triangle
**numbers**- real numbers

#### Units of physical quantities:

#### Grade of the word problem:

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