# The cone

The cone's lateral surface area of the cone is 4 cm

(Cone side is the segment joining the vertex cone with any point of the base circle. All sides of the cone form the shell of the cone.)

^{2}, the area of the base is 2 cm^{2}. Find the angle in degrees (deviation) of the cone sine and the cone base plane.(Cone side is the segment joining the vertex cone with any point of the base circle. All sides of the cone form the shell of the cone.)

### Correct answer:

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

**solid geometry**- cone
- surface area
**planimetrics**- right triangle
- circle
- triangle
**goniometry and trigonometry**- sine
- cosine

#### Units of physical quantities:

#### Grade of the word problem:

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