# 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:

Tips for related online calculators

The line slope calculator is helpful for basic calculations in analytic geometry. The coordinates of two points in the plane calculate slope, normal and parametric line equation(s), slope, directional angle, direction vector, the length of the segment, intersections of the coordinate axes, etc.

Check out our ratio calculator.

Do you want to convert length units?

See also our right triangle calculator.

See also our trigonometric triangle calculator.

Check out our ratio calculator.

Do you want to convert length units?

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:

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

### Units of physical quantities:

### Grade of the word problem:

We encourage you to watch this tutorial video on this math problem: video1

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