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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