# Mast shadow

Mast has 13 m long shadow on a slope rising from the mast foot in the direction of the shadow angle at angle 15°. Determine the height of the mast, if the sun above the horizon is at angle 33°. Use the law of sines.

### Correct answer:

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

**geometry**- similarity of triangles
**planimetrics**- right triangle
- triangle
- The Law of Sines
**goniometry and trigonometry**- sine

#### Units of physical quantities:

#### Grade of the word problem:

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