# Mast

Mast has 13 m long shadow on a slope rising from the mast foot in the direction of the shadow angle at angle 13.3°. Determine the height of the mast if the sun above the horizon is at an angle 45°12'.

### 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:

**planimetrics**- right triangle
- triangle
**basic functions**- ratio
- reason
**goniometry and trigonometry**- sine
- cosine
- tangent

#### Units of physical quantities:

#### Grade of the word problem:

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