# Side edges

The regular 4-sided pyramid has a body height of 2 dm, and the opposite side edges form an angle of 70°.

Calculate the surface area and volume of the pyramid.

Calculate the surface area and volume of the pyramid.

### Correct answer:

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See also our trigonometric triangle calculator.

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

**solid geometry**- pyramid
- surface area
**planimetrics**- Pythagorean theorem
- right triangle
- triangle
- square
- diagonal
**goniometry and trigonometry**- tangent

#### Units of physical quantities:

#### Grade of the word problem:

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