# In the desert

A man wondering in the desert walks 5.7 miles in the direction S 26° W. He then turns 90° and walks 9 miles in the direction N 49° W. At that time, how far is he from his starting point, and what is his bearing from his starting point?

## Correct answer:

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

**arithmetic**- square root
- absolute value
**planimetrics**- Pythagorean theorem
- right triangle
- triangle
**goniometry and trigonometry**- sine
- cosine
- tangent
- arctangent

### Units of physical quantities:

### Grade of the word problem:

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